Lease Arrangements (Tables)

12 Months Ended

Dec. 31, 2011

Lease Arrangements [Abstract]

Summary Of Future Minimum Rental Payments And Sublease Rentals To Be Received Under Operating Leases

2012	$	19,797
2013		14,995
2014		12,030
2015		9,725
2016		5,155
Thereafter		2,146
Total minimum rental payments		63,848
Less: minimum sublease rentals		(69	)
Net minimum rental payments	$	63,779

Schedule Of Total Rental Expense Incurred Under Operating Leases For Continuing Operations

	For the Years Ended December 31,
	2011			2010			2009
Total rental payments	$	22,199		$	21,777		$	21,219
Less sublease rentals		(170	)		(237	)		(270	)
Net rental expense	$	22,029		$	21,540		$	20,949