Fair Value Of Assets And Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

The carrying amounts and estimated fair values by input level of the Company's financial instruments are as follows:

	March 31, 2019
(in millions)	Carrying Amount	Fair Value		Level 1		Level 2		Level 3
Financial assets:
Restricted cash	37.7	$	37.7	$	37.7	$	—	$	—
Financial liabilities:
Term Loan B	390.5	395.0		—		395.0		—
2027 Senior Notes	591.0	607.7		—		607.7		—
2028 Senior Notes	493.3	476.9		—		476.9		—
	December 31, 2018
(in millions)	Carrying Amount	Fair Value		Level 1		Level 2		Level 3
Financial assets:
Restricted cash	40.0	$	40.0	$	40.0	$	—	$	—
Financial liabilities:
Term Loan B	391.3	396.0		—		396.0		—
2028 Senior Notes	493.0	452.4		—		452.4		—