Annual report pursuant to Section 13 and 15(d)

Postretirement Benefits Schedule of Net Periodic Benefit Costs (Details)

v2.4.1.9
Postretirement Benefits Schedule of Net Periodic Benefit Costs (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 27, 2014
Jun. 28, 2014
Mar. 29, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]              
Settlement Loss $ 27.9us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 $ 0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 $ 0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 $ 0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 $ 27.9us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 $ 0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1 $ 0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
Pension Plans [Member]              
Defined Benefit Plan Disclosure [Line Items]              
Service cost         0us-gaap_DefinedBenefitPlanServiceCost
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0.1us-gaap_DefinedBenefitPlanServiceCost
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0.2us-gaap_DefinedBenefitPlanServiceCost
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Interest cost         58.6us-gaap_DefinedBenefitPlanInterestCost
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54.0us-gaap_DefinedBenefitPlanInterestCost
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57.7us-gaap_DefinedBenefitPlanInterestCost
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Expected return on plan assets         (58.8)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
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(57.0)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
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(55.2)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
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Amortization of prior service credits         0us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
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0us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
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0us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
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= us-gaap_PensionPlansDefinedBenefitMember
Amortization of net actuarial losses         15.0us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
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21.4us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
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21.9us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
Curtailment loss         0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
0.1us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
Settlement Loss         27.9us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
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0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
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= us-gaap_PensionPlansDefinedBenefitMember
Net pension and other benefit costs         42.7us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
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18.5us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
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24.7us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_PensionPlansDefinedBenefitMember
Other Postretirement Benefit Plans [Member]              
Defined Benefit Plan Disclosure [Line Items]              
Service cost         0us-gaap_DefinedBenefitPlanServiceCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
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0us-gaap_DefinedBenefitPlanServiceCost
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0us-gaap_DefinedBenefitPlanServiceCost
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Interest cost         2.0us-gaap_DefinedBenefitPlanInterestCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
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1.9us-gaap_DefinedBenefitPlanInterestCost
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2.4us-gaap_DefinedBenefitPlanInterestCost
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Expected return on plan assets         0us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
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0us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
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0us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
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Amortization of prior service credits         (0.9)us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
(5.7)us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
(6.3)us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Amortization of net actuarial losses         0us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
1.3us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
0.7us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Curtailment loss         0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Settlement Loss         0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
0us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Net pension and other benefit costs         $ 1.1us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
$ (2.5)us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
$ (3.2)us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember