Other Investment and Assets (Tables)

12 Months Ended

Dec. 31, 2012

Other Investments and Assets [Abstract]

Summary of other investments and assets

	2012		2011
	(in thousands)
Cash surrender value of life insurance	$	19,142	$	18,812
Workers’ compensation insurance security deposits		3,350		4,658
Other		9,924		7,581
Total other investments and assets	$	32,416	$	31,051