Accrued Liabilities and Other (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Continuing operations:
Customer deposits	$ 50,172	$ 49,182
Accrued compensation	25,067	22,587
Self-insured liability accrual	8,501	6,697
Accrued restructuring	4,084	2,303
Accrued sales and use taxes	3,179	1,668
Accrued employee benefit costs	3,132	3,730
Accrued dividends	2,053	827
Accrued foreign income taxes	28	234
Other	9,998	8,185
Total Continuing operations	106,214	95,413
Discontinued operations:
Environmental remediation liabilities	571	755
Self-insured liability accrual	527	639
Other	372	524
Total Discontinued operations	1,470	1,918
Total other current liabilities	$ 107,684	$ 97,331