Accrued Liabilities and Other (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Continuing operations:
Customer deposits	$ 47,252	$ 49,182
Accrued compensation	28,704	22,587
Self-insured liability accrual	7,754	6,697
Accrued foreign income taxes	4,434	234
Accrued employee benefit costs	3,671	3,730
Accrued sales and use taxes	3,220	1,668
Accrued income taxes	3,110
Accrued dividends	2,049	827
Accrued restructuring	1,733	2,303
Other	12,266	8,185
Total Continuing operations	114,193	95,413
Discontinued operations:
Environmental remediation liabilities	584	755
Self-insured liability accrual	137	639
Other	499	524
Total Discontinued operations	1,220	1,918
Total other current liabilities	$ 115,413	$ 97,331