Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2011

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

	Six Months Ended June 30,
	2011		2010
Supplemental disclosure of cash flow information:
Interest paid	$	201,541	$	208,350
Income taxes paid	3,543		2,218
Supplemental disclosure of non-cash financing activities:
Increase (decrease) in the fair value of forward-starting interest rate swaps	—		(100,242		)
Assets acquired through capital leases and installment sales	13,025		5,322