Other Deferred Items and Liabilities - Summary of Other Deferred Items and Liabilities (Details) - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
Continuing operations:
Foreign deferred tax liability		$ 21,306	$ 9,768
Multi-employer pension plan withdrawal liability		15,508
Self-insured liability		9,885	10,681
Self-insured excess liability		9,176	9,176
Accrued compensation		6,395	6,664
Accrued restructuring		1,879	1,535
Contract liabilities		366	2,124
Deferred rent	[1]		2,719
Other		2,302	1,868
Total continuing operations		66,817	44,535
Discontinued operations:
Self-insured liability		2,456	2,437
Environmental remediation liabilities		1,777	1,775
Other		345	244
Total discontinued operations		4,578	4,456
Total other deferred items and liabilities		$ 71,395	$ 48,991

[1] Upon the adoption of Topic 842, we reclassified deferred rent to operating lease obligations. We did not recast prior year financial statements under the new standard. Refer to Note 19 – Leases and Other for additional information.