Other Current Liabilities - Schedule of Other Current Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Continuing operations:
Self-insured liability accrual	$ 7,512	$ 7,603
Accrued employee benefit costs	4,930	2,751
Accrued sales and use taxes	4,003	1,609
Accrued restructuring	2,919	3,877
Accrued dividends	2,208	2,192
Accrued professional fees	1,499	1,832
Deferred rent	1,354	1,558
Accrued foreign income taxes	346	565
Other	9,794	6,183
Total continuing operations	34,565	28,170
Discontinued operations:
Self-insured liability accrual	470	469
Environmental remediation liabilities	334	353
Other	162	177
Total discontinued operations	966	999
Other current liabilities	$ 35,531	$ 29,169