Other Deferred Items and Liabilities - Summary of Other Deferred Items and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Continuing operations:
Self-insured liability	$ 12,981	$ 13,662
Self-insured excess liability	10,463	5,979
Accrued compensation	8,514	7,612
Deferred rent	5,271	5,607
Foreign deferred tax liability	2,264	2,384
Accrued restructuring	1,858	519
Other	1,300	1,262
Total continuing operations	42,651	37,025
Discontinued operations:
Self-insured liability	3,748	3,986
Environmental remediation liabilities	3,091	4,177
Accrued income taxes	1,045	1,151
Other	199	997
Total discontinued operations	8,083	10,311
Total other deferred items and liabilities	$ 50,734	$ 47,336