Acquisitions and Dispositions - Acquisitions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013 WMS Acquisition		Jun. 30, 2013 WMS Acquisition		Oct. 18, 2013 WMS Acquisition	Jun. 30, 2013 Depreciation and amortization WMS Acquisition	Jun. 30, 2013 Depreciation and amortization WMS Acquisition	Jun. 30, 2013 Acquisition-related fees and expenses WMS Acquisition	Jun. 30, 2013 Acquisition-related fees and expenses WMS Acquisition	Jun. 30, 2013 Interest expense WMS Acquisition	Jun. 30, 2013 Interest expense WMS Acquisition	Jun. 30, 2013 Income tax expense WMS Acquisition	Jun. 30, 2013 Income tax expense WMS Acquisition
Business Acquisition [Line Items]
Current assets											$ 508.0
Long-term notes receivable											76.2
Property, plant and equipment, net											465.3
Goodwill	1,197.8		1,197.8		1,186.9	801.4					385.6
Intangible assets											325.0
Intellectual property											201.2
Other long-term assets											5.9
Total assets											1,967.2
Current liabilities											(164.4)
Deferred income taxes											(166.6)
Long-term liabilities											(150.3)
Total liabilities											(481.3)
Total equity purchase price											1,485.9
Revenue from Consolidated Statements of Operations and Comprehensive Loss	416.9	235.0	805.0	454.6
Add: WMS revenue not reflected in Consolidated Statements of Operations and Comprehensive Loss							202.8		380.7
Unaudited pro forma revenue							437.8		835.3
Net loss from continuing operations from Consolidated Statements of Operations and Comprehensive Loss	(72.4)	(12.4)	(117.4)	(24.7)
Add: WMS net loss from continuing operations not reflected in Consolidated Statements of Operations and Comprehensive Loss plus pro forma adjustments (1), (2), (3) and (4) below							(7.2)	[1],[2],[3],[4]	(19.6)	[1],[2],[3],[4]
Unaudited pro forma net loss from continuing operations							$ (19.6)		$ (44.3)			$ (9.9)	$ (20.5)	$ 5.9	$ 17.0	$ (20.3)	$ (40.6)	$ 3.6	$ 3.5

[1] An adjustment of $3.6 million and $3.5 million for the three and six months ended June 30, 2013, respectively, to reverse the U.S. tax expense of WMS under the assumption that the U.S. taxable income of WMS would have been offset by U.S. tax attributes of the Company.

[2] An adjustment to reverse acquisition-related fees and expenses of $5.9 million and $17.0 million for the three and six months ended June 30, 2013, respectively.

[3] An adjustment to reflect additional interest expense of $20.3 million and $40.6 million for the three and six months ended June 30, 2013, respectively, that would have been incurred assuming our new credit facilities were in place as of January 1, 2012.

[4] An adjustment to reflect additional D&A of $9.9 million and $20.5 million for the three and six months ended June 30, 2013, respectively, that would have been incurred assuming the fair value adjustments to intangible assets and property and equipment had been applied on January 1, 2012.