Schedule II - Valuation and Qualifying Accounts
|12 Months Ended|
Dec. 31, 2017
|Valuation and Qualifying Accounts [Abstract]|
(A) For the year ended December 31, 2017, 2016 and 2015, the deferred tax asset valuation allowance increased mainly as a result of additional tax losses in foreign jurisdictions.
(B) For the years ended December 31, 2017, 2016 and 2015, activity primarily relates to Federal tax law changes and foreign currency translation.
The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements.
Reference 1: http://www.xbrl.org/2003/role/presentationRef