Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2010

Lease Commitments And Purchase Agreements [Abstract]

Lease Commitments

	Operating Leases		Operating Leases		Capital Leases
	Future Minimum		Future Minimum		Future Minimum
	Rental Payments		Rental Receipts		Rental Payments
(Dollars in thousands)
2011	$	142,437	$	33,813	$	532
2012		120,887		28,723		544
2013		101,211		22,100		560
2014		77,111		16,170		568
2015		59,812		7,237		576
Thereafter		676,671		634		5,811
Total	$	1,178,129	$	108,677		8,591
Less: Interest expense						(4,206	)
Present value of minimum lease payments						4,385
Less: Current portion of obligations under capital leases						(101	)
Long-term portion of obligations under capital leases					$	4,284