Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2012

Leases [Abstract]

Schedule of Future Minimum Lease Commitments

Minimum future lease commitments under capital leases and non-cancelable operating leases, including the effect of escalation clauses in effect as of December 31, 2012, were as follows (in millions):

	Capital Leases			Operating Leases
2013	$	31.2		$	37.2
2014	21.5			23.4
2015	16.5			14.6
2016	9.0			7.0
2017	3.6			4.0
Thereafter	0.4			0.8
Total minimum lease payments	$	82.2		$	87.0
Less amounts representing interest	(3.2		)
Total capital lease obligations, net of interest	$	79.0
Less current portion	(31.0		)
Long term portion of capital lease obligations, net of interest	$	48.0