Fair Value Measurements - Schedule of Fair Values of Financial Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
FX Contracts, assets, derivatives	$ 0	[1]	$ 0	[1]
Total assets at fair value	0		0
FX Contracts, liabilities, derivatives	0	[1]	0	[1]
Total liabilities at fair value	0		0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
FX Contracts, assets, derivatives	0.5	[1]	0.1	[1]
Total assets at fair value	0.5		0.1
FX Contracts, liabilities, derivatives	0.3	[1]	0.4	[1]
Total liabilities at fair value	0.3		0.4
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
FX Contracts, assets, derivatives	0	[1]	0	[1]
Total assets at fair value	0		0
FX Contracts, liabilities, derivatives	0	[1]	0	[1]
Total liabilities at fair value	0		0
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
FX Contracts, assets, derivatives	0.5	[1]	0.1	[1]
Total assets at fair value	0.5		0.1
FX Contracts, liabilities, derivatives	0.3	[1]	0.4	[1]
Total liabilities at fair value	$ 0.3		$ 0.4

[1] The fair value of the Company’s FX Contracts was measured based on observable market transactions of spot and forward rates at March 31, 2013 and December 31, 2012. (See Note 11, “Financial Instruments.”)