Financial Instruments (Details) € in Millions, ₩ in Millions, ¥ in Millions, ¥ in Millions, £ in Millions, SEK in Millions, PLN in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) t	Dec. 31, 2016 USD ($) t	Dec. 31, 2017 JPY (¥)	Dec. 31, 2017 CNY (¥)	Dec. 31, 2017 SEK	Dec. 31, 2017 EUR (€)	Dec. 31, 2017 GBP (£)	Dec. 31, 2016 PLN	Dec. 31, 2016 JPY (¥)	Dec. 31, 2016 KRW (₩)	Dec. 31, 2016 CNY (¥)	Dec. 31, 2016 EUR (€)	Dec. 31, 2016 GBP (£)	Jul. 20, 2016 USD ($)
Commodity Contract [Member] | Dec - 17
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount, Mass | t	0	213.8
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Notional Amount														$ 384.0
Brazil, Brazil Real | Foreign currency contracts [Member] | Apr - 18
Derivative [Line Items]
Derivative, Notional Amount | €						€ 1.1
Sweden, Kronor | Foreign currency contracts [Member] | Jan - 20
Derivative [Line Items]
Derivative, Notional Amount | €						109.7						€ 48.2
Mexico, Pesos | Foreign currency contracts [Member] | Dec - 17
Derivative [Line Items]
Derivative, Notional Amount		$ 10.5
Chinese yuan | Foreign currency contracts [Member] | Jun - 18
Derivative [Line Items]
Derivative, Notional Amount | €						18.6
Chinese yuan | Foreign currency contracts [Member] | Sept - 18
Derivative [Line Items]
Derivative, Notional Amount	$ 36.0	33.5
Euro | Foreign currency contracts [Member] | Dec - 18
Derivative [Line Items]
Derivative, Notional Amount			¥ 1,311.3	¥ 85.0			£ 3.9		¥ 1,004.8				£ 4.2
Euro | Foreign currency contracts [Member] | Dec - 17
Derivative [Line Items]
Derivative, Notional Amount | PLN								PLN 18.8
Euro | Foreign currency contracts [Member] | May - 18
Derivative [Line Items]
Derivative, Notional Amount | SEK					SEK 267.4
Euro | Foreign currency contracts [Member] | Mar - 19
Derivative [Line Items]
Derivative, Notional Amount	56.5	35.3
Japanese yen | Foreign currency contracts [Member] | Dec - 17
Derivative [Line Items]
Derivative, Notional Amount		2.0								₩ 5,689.2	¥ 68.7
Korean won | Foreign currency contracts [Member] | Dec - 18
Derivative [Line Items]
Derivative, Notional Amount	11.2	14.2	¥ 619.0			3.1			¥ 539.9
US dollar | Foreign currency contracts [Member] | Dec - 18
Derivative [Line Items]
Derivative, Notional Amount | €						€ 42.0						€ 0.0
Prepayments and other current assets | Foreign currency contracts [Member]
Derivative [Line Items]
Derivative assets	0.9	7.2
Prepayments and other current assets | Commodity Contract [Member]
Derivative [Line Items]
Derivative assets	0.0	0.1
Other non-current assets | Foreign currency contracts [Member]
Derivative [Line Items]
Derivative assets	$ 0.8	$ 0.0