Fair Value of Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Significant Other Observable Inputs (Level 2)
Liabilities:
Long-term fixed interest rate debt	$ 245.3	$ 244.1
Recurring basis | Total
Assets:
Cash equivalents	6.8	6.8
Restricted cash	2.8	2.7
Foreign exchange contracts	1.7	2.3
Embedded derivatives in purchase and delivery contracts	0.2	0.2
Fixed price commodity contracts		0.1
Long-term restricted cash	4.1	4.0
Total assets recorded at fair value	15.6	16.1
Liabilities:
Contingent consideration	7.0	7.0
Embedded derivatives in purchase and delivery contracts	0.4	0.4
Fixed price commodity contracts	0.1
Total liabilities recorded at fair value	7.5	7.4
Recurring basis | Quoted Prices in Active Markets Available (Level 1)
Assets:
Cash equivalents	6.8	6.8
Restricted cash	2.8	2.7
Long-term restricted cash	4.1	4.0
Total assets recorded at fair value	13.7	13.5
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets:
Foreign exchange contracts	1.7	2.3
Embedded derivatives in purchase and delivery contracts	0.2	0.2
Fixed price commodity contracts		0.1
Total assets recorded at fair value	1.9	2.6
Liabilities:
Embedded derivatives in purchase and delivery contracts	0.4	0.4
Fixed price commodity contracts	0.1
Total liabilities recorded at fair value	0.5	0.4
Recurring basis | Significant Unobservable Inputs (Level 3)
Liabilities:
Contingent consideration	7.0	7.0
Total liabilities recorded at fair value	$ 7.0	$ 7.0