Other Deferred Items Liabilities - Schedule of Other Deferred Items and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Continuing operations:
Self-insured liability accrual	$ 12,931	$ 13,525
Self-insured excess liability	7,728	7,728
Accrued compensation	6,930	6,824
Deferred rent income	3,188	2,787
Foreign deferred tax liability	2,094	2,135
Accrued restructuring	460	555
Other	3,331	5,117
Total continuing operations	36,662	38,671
Discontinued operations:
Environmental remediation liabilities	4,365	4,395
Self-insured liability accrual	4,234	4,327
Accrued income taxes	997	1,119
Other	1,134	1,250
Total discontinued operations	10,730	11,091
Other deferred items and liabilities	$ 47,392	$ 49,762