Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Foreign currency contracts	$ 0	$ 0
Liabilities:
Foreign currency contracts	0	0
Net investment hedge contracts	0	0
Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Foreign currency contracts	2.2	3.4
Liabilities:
Foreign currency contracts	4.7	7.4
Net investment hedge contracts	23.7	24.3
Market Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Foreign currency contracts	0	0
Liabilities:
Foreign currency contracts	0	0
Net investment hedge contracts	0	0
Market Approach Valuation Technique [Member] | Estimate of Fair Value Measurement [Member]
Assets:
Foreign currency contracts	2.2	3.4
Liabilities:
Foreign currency contracts	4.7	7.4
Net investment hedge contracts	23.7	24.3
Income Approach Valuation Technique [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Other non-current assets (insurance settlement agreement note receivable)	0	0
Income Approach Valuation Technique [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Other non-current assets (insurance settlement agreement note receivable)	29.9	35.6
Income Approach Valuation Technique [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Other non-current assets (insurance settlement agreement note receivable)	0	0
Income Approach Valuation Technique [Member] | Estimate of Fair Value Measurement [Member]
Assets:
Other non-current assets (insurance settlement agreement note receivable)	$ 29.9	$ 35.6