Other Investments and Assets (Tables)

12 Months Ended

Dec. 31, 2014

Investments, All Other Investments [Abstract]

Summary of other investments and assets

As of December 31 other investments and assets consisted of the following:

(in thousands)	2014		2013
Cash surrender value of life insurance	$	20,866	$	19,690
Self-insured liability receivable	7,728		5,009
Workers’ compensation insurance security deposits	4,250		3,350
Other	7,830		6,977
Total other investments and assets	$	40,674	$	35,026