Other Current Liabilities - Schedule of Other Current Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Continuing operations:
Self-insured liability accrual	$ 6,467	$ 6,297
Accrued sales and use taxes	4,878	3,624
Accrued employee benefit costs	4,037	3,215
Accrued dividends	2,092	2,107
Current portion of pension liability	1,729	1,641
Accrued professional fees	1,531	1,228
Accrued acquisition liability	1,458	1,232
Deferred rent	1,379	783
Accrued foreign income taxes	1,139	2,370
Accrued rebates	985	1,600
Accrued restructuring	975	1,154
Other	7,200	1,605
Total continuing operations	33,870	26,856
Discontinued operations:
Environmental remediation liabilities	306	350
Self-insured liability accrual	204	173
Other	426	408
Total discontinued operations	936	931
Other current liabilities	$ 34,806	$ 27,787