Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2011

Lease Commitments [Abstract]

Schedule Of Summary Of Property Under Capital Lease

	As of December 31,
	2011			2010
Land, buildings and equipment	$	37,037		$	38,712
Less: accumulated amortization		(35,264	)		(35,627	)
	$	1,773		$	3,085

Schedule Of Future Minimum Rental Payments Under Lease Commitments

Year	Capital Leases			Operating Leases
	(000s)
2012	$	2,425		$	58,388
2013		2,277			42,717
2014		1,299			32,777
2015		1,212			26,806
2016		1,077			21,687
Later years		7,787			24,053
Total minimum rental	$	16,077		$	206,428
Less: Amount representing interest		(6,095	)
Present value of minimum rental commitments		9,982
Less: Current portion of capital lease obligations		(1,680	)
Long-term portion of capital lease obligations	$	8,302