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Borrowings - Foreign Lines of Credit and Other Arrangements (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Other short term debt    
Debt Instrument [Line Items]    
Amount outstanding and uncommitted $ 10,000,000 $ 17,000,000
Foreign lines of credit and other arrangements    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 489,000,000 $ 245,000,000
Weighted-average interest rate 2.60% 2.60%
Foreign lines of credit and other arrangements | USD denominated term loan    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 355,000,000 $ 75,000,000