Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments And Contingencies Disclosure [Abstract]

Future Minimum Lease Payments under These Non-cancelable Operating Leases

The approximate future minimum lease payments under these non-cancelable operating leases at December 31, 2015 are as follows (in millions):

	Amount
2016	$	9.1
2017		8.4
2018		7.3
2019		6.8
2020		6.9
Thereafter		32.8
	$	71.3