Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments And Contingencies [Abstract]

Operating Lease Commitments

Years Ending December 31,	Amount
	(in millions)
2012	$	66.4
2013		57.9
2014		48.4
2015		42.2
2016		31.9
Thereafter		70.4
Total	$	317.2