Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments Financial Instruments (Details)

v3.19.3
Financial Instruments Financial Instruments (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Dec. 31, 2018
Senior Notes Due 2021 [Member]      
Derivative [Line Items]      
Interest Rate   4.625% 4.625%
Debentures Due 2023 [Member]      
Derivative [Line Items]      
Interest Rate 7.375% 7.375% 7.375%
Foreign Exchange Forward [Member]      
Derivative [Line Items]      
Notional Values $ 309.8 $ 249.4 $ 308.9
Foreign Exchange Option [Member]      
Derivative [Line Items]      
Notional Values 17.8 27.2 27.2
Foreign Exchange Contracts [Member]      
Derivative [Line Items]      
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months 8.8    
Interest Rate Swap [Member]      
Derivative [Line Items]      
Notional Values   200.0 200.0
Interest Rate Swap [Member] | Senior Notes Due 2021 [Member]      
Derivative [Line Items]      
Notional Values   150.0 150.0
Interest Rate Swap [Member] | Debentures Due 2023 [Member]      
Derivative [Line Items]      
Notional Values 50.0 50.0 50.0
Forward-Starting Interest Rate Swap [Member]      
Derivative [Line Items]      
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months (0.6)    
Amount of Gain (Loss) Estimated to be Reclassified from Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense $ (2.1) $ (2.7) $ (2.5)