Fair Value of Financial Instruments-Derivative Contracts (Details) (FX Forward Contracts [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2014
Buy Chinese yuan [Member]
Derivative [Line Items]
Notional Amount	$ 54.5
Buy Euros [Member]
Derivative [Line Items]
Notional Amount	159.6
Buy Malaysian ringgit [Member]
Derivative [Line Items]
Notional Amount	283.2
Buy Norwegian kroner [Member]
Derivative [Line Items]
Notional Amount	1,365.4
Buy Pound Sterling [Member]
Derivative [Line Items]
Notional Amount	149.7
Buy U.S. dollars [Member]
Derivative [Line Items]
Notional Amount	89.0
Sell Chinese yuan [Member]
Derivative [Line Items]
Notional Amount	0
Sell Euros [Member]
Derivative [Line Items]
Notional Amount	(29.7)
Sell Malaysian ringgit [Member]
Derivative [Line Items]
Notional Amount	0
Sell Norwegian kroner [Member]
Derivative [Line Items]
Notional Amount	(435.9)
Sell Pound Sterling [Member]
Derivative [Line Items]
Notional Amount	(89.5)
Sell U.S. dollars [Member]
Derivative [Line Items]
Notional Amount	(820.8)
2014 [Member] | Buy Chinese yuan [Member]
Derivative [Line Items]
Notional Amount	54.5
2014 [Member] | Buy Euros [Member]
Derivative [Line Items]
Notional Amount	121.4
2014 [Member] | Buy Malaysian ringgit [Member]
Derivative [Line Items]
Notional Amount	64.7
2014 [Member] | Buy Norwegian kroner [Member]
Derivative [Line Items]
Notional Amount	994.5
2014 [Member] | Buy Pound Sterling [Member]
Derivative [Line Items]
Notional Amount	131.6
2014 [Member] | Buy U.S. dollars [Member]
Derivative [Line Items]
Notional Amount	86.2
2014 [Member] | Sell Chinese yuan [Member]
Derivative [Line Items]
Notional Amount	0
2014 [Member] | Sell Euros [Member]
Derivative [Line Items]
Notional Amount	(29.7)
2014 [Member] | Sell Malaysian ringgit [Member]
Derivative [Line Items]
Notional Amount	0
2014 [Member] | Sell Norwegian kroner [Member]
Derivative [Line Items]
Notional Amount	(371.5)
2014 [Member] | Sell Pound Sterling [Member]
Derivative [Line Items]
Notional Amount	(89.5)
2014 [Member] | Sell U.S. dollars [Member]
Derivative [Line Items]
Notional Amount	(569.1)
2015 [Member] | Buy Chinese yuan [Member]
Derivative [Line Items]
Notional Amount	0
2015 [Member] | Buy Euros [Member]
Derivative [Line Items]
Notional Amount	28.0
2015 [Member] | Buy Malaysian ringgit [Member]
Derivative [Line Items]
Notional Amount	215.0
2015 [Member] | Buy Norwegian kroner [Member]
Derivative [Line Items]
Notional Amount	360.3
2015 [Member] | Buy Pound Sterling [Member]
Derivative [Line Items]
Notional Amount	17.3
2015 [Member] | Buy U.S. dollars [Member]
Derivative [Line Items]
Notional Amount	2.8
2015 [Member] | Sell Chinese yuan [Member]
Derivative [Line Items]
Notional Amount	0
2015 [Member] | Sell Euros [Member]
Derivative [Line Items]
Notional Amount	0
2015 [Member] | Sell Malaysian ringgit [Member]
Derivative [Line Items]
Notional Amount	0
2015 [Member] | Sell Norwegian kroner [Member]
Derivative [Line Items]
Notional Amount	(64.4)
2015 [Member] | Sell Pound Sterling [Member]
Derivative [Line Items]
Notional Amount	0
2015 [Member] | Sell U.S. dollars [Member]
Derivative [Line Items]
Notional Amount	(205.1)
2016 [Member] | Buy Chinese yuan [Member]
Derivative [Line Items]
Notional Amount	0
2016 [Member] | Buy Euros [Member]
Derivative [Line Items]
Notional Amount	10.2
2016 [Member] | Buy Malaysian ringgit [Member]
Derivative [Line Items]
Notional Amount	3.5
2016 [Member] | Buy Norwegian kroner [Member]
Derivative [Line Items]
Notional Amount	10.6
2016 [Member] | Buy Pound Sterling [Member]
Derivative [Line Items]
Notional Amount	0.8
2016 [Member] | Buy U.S. dollars [Member]
Derivative [Line Items]
Notional Amount	0
2016 [Member] | Sell Chinese yuan [Member]
Derivative [Line Items]
Notional Amount	0
2016 [Member] | Sell Euros [Member]
Derivative [Line Items]
Notional Amount	0
2016 [Member] | Sell Malaysian ringgit [Member]
Derivative [Line Items]
Notional Amount	0
2016 [Member] | Sell Norwegian kroner [Member]
Derivative [Line Items]
Notional Amount	0
2016 [Member] | Sell Pound Sterling [Member]
Derivative [Line Items]
Notional Amount	0
2016 [Member] | Sell U.S. dollars [Member]
Derivative [Line Items]
Notional Amount	$ (46.6)