Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

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, 2014 are as follows (in millions):

	Amount
2015	$	8.8
2016		7.5
2017		6.6
2018		5.7
2019		5.3
Thereafter		35.0
	$	68.9