Leases (Tables)

12 Months Ended

Dec. 31, 2011

Leases [Abstract]

Schedule of future minimum lease payments for operating and capital leases

Commitments relating to noncancellable operating and capital leases for each of the next five years and thereafter are as follows (in thousands):

Year Ended December 31,	Operating (1)		Capital
2012	$	176,403	$	8,386
2013		149,460		7,216
2014		122,763		6,710
2015		98,543		6,005
2016		70,087		5,630
Thereafter		176,599		57,472
Total minimum future payments	$	793,855	$	91,419
Less imputed interest				(43,058	)
				48,361
Less current portion				(4,008	)
Long-term capital lease obligations			$	44,353

(1) Minimum lease payments have not been reduced by minimum sublease rentals due in the future of $21.3 million.