Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows from Operating Activities:
Net loss	$ (26.2)	$ (24.2)
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	12.4	18.7
Stock-based compensation	3.2	3.6
Other, net	(1.8)	1.7
Changes in operating assets and liabilities	4.7	(1.7)
Net cash used in operating activities	(7.7)	(1.9)
Cash Flows from Investing Activities:
Capital expenditures	(3.5)	(5.1)
Purchase price adjustment	1.6	0
Proceeds from sale of assets	0.2	1.4
Net cash used in investing activities	(1.7)	(3.7)
Cash Flows from Financing Activities:
Purchase of treasury stock	(2.5)	(2.4)
Debt issuance costs	0	(1.9)
Contingent consideration payments	(0.5)	(1.2)
Net cash used in financing activities	(3.0)	(5.5)
Effect of exchange rate changes on cash and cash equivalents	(1.9)	(0.9)
Net change in cash and cash equivalents	(14.3)	(12.0)
Cash and cash equivalents — beginning of period	108.7	223.1
Cash and cash equivalents - end of period	$ 94.4	$ 211.1