Schedule I - Parent Only - Condensed Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 11.7	$ 18.0	$ 68.4
Accounts receivable	63.9	37.5
Related party receivable	100.2	110.8
Total current assets	773.3	493.7
Goodwill	1,542.2	2,413.9	3,684.7
Investments in unconsolidated affiliates - non current	77.3	274.3
Other assets, net	2.2	2.7
Total assets	10,275.9	9,541.3
Other current liabilities	217.5	174.8
Total current liabilities	887.5	432.4
Deferred tax liability	542.6	532.1
Long-term Debt	3,295.3	3,066.0
Members' equity	1,880.9	2,285.7
Total liabilities and members equity	10,275.9	9,541.3
Parent Company
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	0.1	12.1	$ 58.8
Accounts receivable		0.1
Related party receivable		2.1
Prepaid expenses and other	2.6	9.7
Total current assets	2.7	24.0
Goodwill	1,119.9	1,426.9
Investments in unconsolidated affiliates - non current	1,255.7	1,292.9
Other assets, net		0.8
Total assets	2,378.3	2,744.6
Other current liabilities	0.5	0.4
Total current liabilities	0.5	0.4
Deferred tax liability	469.6	458.5
Long-term Debt	27.3
Total liabilities	497.4	458.9
Members' equity	1,880.9	2,285.7
Total liabilities and members equity	$ 2,378.3	$ 2,744.6