Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Schedule of Future Lease Commitments

Future minimum lease commitments under capital leases and non-cancelable operating leases, including escalation clauses in effect as of December 31, 2017, were as follows (in millions):

	Capital  Leases			Operating Leases
2018	$	69.5		$	90.7
2019	49.4			57.3
2020	39.4			33.9
2021	29.0			19.2
2022	9.1			12.3
Thereafter	—			30.3
Total minimum lease payments	$	196.4		$	243.7
Less amounts representing interest	(15.2		)
Total capital lease obligations, net of interest	$	181.2
Less current portion	(63.5		)
Long-term portion of capital lease obligations, net of interest	$	117.7