Fair Value of Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Assets:
Long-term restricted cash	$ 3.9	$ 3.9
Carrying value
Liabilities:
Long-term fixed interest rate debt	255.6
Recurring basis | Total
Assets:
Cash equivalents	8.2	26.3
Restricted cash	3.7	2.2
Foreign exchange contracts	1.8
Embedded derivatives in purchase and delivery contracts	0.3	0.6
Fixed price commodity contracts		0.5
Long-term restricted cash	3.9	3.9
Total assets recorded at fair value	17.9	33.5
Liabilities:
Contingent consideration	3.7
Interest rate swap contracts		1.1
Foreign exchange contracts		4.2
Embedded derivatives in purchase and delivery contracts	0.3	0.4
Fixed price commodity contracts	0.2	0.5
Total liabilities recorded at fair value	4.2	6.2
Recurring basis | Quoted Prices in Active Markets Available (Level 1)
Assets:
Cash equivalents	8.2	26.3
Restricted cash	3.7	2.2
Long-term restricted cash	3.9	3.9
Total assets recorded at fair value	15.8	32.4
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets:
Foreign exchange contracts	1.8
Embedded derivatives in purchase and delivery contracts	0.3	0.6
Fixed price commodity contracts		0.5
Total assets recorded at fair value	2.1	1.1
Liabilities:
Interest rate swap contracts		1.1
Foreign exchange contracts		4.2
Embedded derivatives in purchase and delivery contracts	0.3	0.4
Fixed price commodity contracts	0.2	0.5
Total liabilities recorded at fair value	0.5	6.2
Recurring basis | Significant Unobservable Inputs (Level 3)
Liabilities:
Contingent consideration	3.7
Total liabilities recorded at fair value	$ 3.7