Guarantor Financial Information - Condensed Consolidating Statements of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
OPERATING ACTIVITIES
Net cash (used in) provided by operating activities	$ (38.2)	$ (43.7)
INVESTING ACTIVITIES
Capital expenditures	(4.3)	(8.5)
Purchase of investment	(3.4)	0.0
Other investing activities	0.2	2.4
Net cash used in investing activities	(7.5)	(6.1)
FINANCING ACTIVITIES
Revolving facility borrowings	57.0	0.0
Payments on revolving facility borrowings	(37.0)	0.0
Net change in short-term debt	0.0	6.9
Debt issuance costs	(1.5)	0.0
Intercompany note payable (receivable)	0.0
Net transfers related to the Separation	3.1	0.0
Other financing activities	0.0	0.2
Net transfers from Parent and affiliates	0.0	39.7
Net cash provided by financing activities	21.6	46.8
Effect of exchange rate on cash and cash equivalents	0.2	2.9
Net decrease in cash and cash equivalents	(23.9)	(0.1)
Cash and cash equivalents at beginning of year	36.2	15.1
Cash and cash equivalents at end of period	12.3	15.0
Eliminations
OPERATING ACTIVITIES
Net cash (used in) provided by operating activities	(14.8)	0.0
INVESTING ACTIVITIES
Capital expenditures	0.0	0.0
Purchase of investment	0.0
Other investing activities	0.0	0.0
Net cash used in investing activities	0.0	0.0
FINANCING ACTIVITIES
Revolving facility borrowings	0.0
Payments on revolving facility borrowings	0.0
Net change in short-term debt		0.0
Debt issuance costs	0.0
Intercompany note payable (receivable)	0.0
Net transfers related to the Separation	0.0
Other financing activities		0.0
Net transfers from Parent and affiliates		0.0
Net cash provided by financing activities	0.0	0.0
Effect of exchange rate on cash and cash equivalents	0.0	0.0
Net decrease in cash and cash equivalents	(14.8)	0.0
Cash and cash equivalents at beginning of year	(2.4)	0.0
Cash and cash equivalents at end of period	(17.2)	0.0
Parent
OPERATING ACTIVITIES
Net cash (used in) provided by operating activities	(27.3)	0.0
INVESTING ACTIVITIES
Capital expenditures	0.0	0.0
Purchase of investment	0.0
Other investing activities	0.0	0.0
Net cash used in investing activities	0.0	0.0
FINANCING ACTIVITIES
Revolving facility borrowings	57.0
Payments on revolving facility borrowings	(37.0)
Net change in short-term debt		0.0
Debt issuance costs	(1.5)
Intercompany note payable (receivable)	5.7
Net transfers related to the Separation	3.1
Other financing activities		0.0
Net transfers from Parent and affiliates		0.0
Net cash provided by financing activities	27.3	0.0
Effect of exchange rate on cash and cash equivalents	0.0	0.0
Net decrease in cash and cash equivalents	0.0	0.0
Cash and cash equivalents at beginning of year	0.0	0.0
Cash and cash equivalents at end of period	0.0	0.0
Guarantor Subsidiaries
OPERATING ACTIVITIES
Net cash (used in) provided by operating activities	4.5	(41.0)
INVESTING ACTIVITIES
Capital expenditures	(3.9)	(8.2)
Purchase of investment	(3.4)
Other investing activities	0.2	2.0
Net cash used in investing activities	(7.1)	(6.2)
FINANCING ACTIVITIES
Revolving facility borrowings	0.0
Payments on revolving facility borrowings	0.0
Net change in short-term debt		0.0
Debt issuance costs	0.0
Intercompany note payable (receivable)	0.0
Net transfers related to the Separation	0.0
Other financing activities		0.2
Net transfers from Parent and affiliates		47.1
Net cash provided by financing activities	0.0	47.3
Effect of exchange rate on cash and cash equivalents	0.0	0.0
Net decrease in cash and cash equivalents	(2.6)	0.1
Cash and cash equivalents at beginning of year	21.8	0.1
Cash and cash equivalents at end of period	19.2	0.2
Non-guarantor Subsidiaries
OPERATING ACTIVITIES
Net cash (used in) provided by operating activities	(0.6)	(2.7)
INVESTING ACTIVITIES
Capital expenditures	(0.4)	(0.3)
Purchase of investment	0.0
Other investing activities	0.0	0.4
Net cash used in investing activities	(0.4)	0.1
FINANCING ACTIVITIES
Revolving facility borrowings	0.0
Payments on revolving facility borrowings	0.0
Net change in short-term debt		6.9
Debt issuance costs	0.0
Intercompany note payable (receivable)	(5.7)
Net transfers related to the Separation	0.0
Other financing activities		0.0
Net transfers from Parent and affiliates		(7.4)
Net cash provided by financing activities	(5.7)	(0.5)
Effect of exchange rate on cash and cash equivalents	0.2	2.9
Net decrease in cash and cash equivalents	(6.5)	(0.2)
Cash and cash equivalents at beginning of year	16.8	15.0
Cash and cash equivalents at end of period	$ 10.3	$ 14.8