Accrued Liabilities and Other - Other Current Liabilities (Detail) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Discontinued operations:
Environmental remediation liabilities	$ 398,000
Other Current Liabilities [Member]
Continuing operations:
Total Continuing operations	96,549,000	107,684,000
Discontinued operations:
Total Continuing operations	96,549,000	107,684,000
Other Current Liabilities [Member] | Continuing Operations [Member]
Continuing operations:
Customer deposits	44,366,000	50,172,000
Accrued compensation	18,797,000	25,067,000
Self-insured liability accrual	7,466,000	8,501,000
Accrued foreign income taxes	3,616,000	28,000
Accrued employee benefit costs	3,038,000	3,132,000
Accrued restructuring	2,114,000	4,084,000
Accrued dividends	2,068,000	2,053,000
Other taxes	3,254,000	1,325,000
Accrued sales and use taxes	1,247,000	3,179,000
Other	9,489,000	8,673,000
Total Continuing operations	95,455,000	106,214,000
Discontinued operations:
Self-insured liability accrual	7,466,000	8,501,000
Other	9,489,000	8,673,000
Total Continuing operations	95,455,000	106,214,000
Other Current Liabilities [Member] | Discontinued Operations [Member]
Continuing operations:
Self-insured liability accrual	520,000	527,000
Other	176,000	372,000
Total Continuing operations	1,094,000	1,470,000
Discontinued operations:
Self-insured liability accrual	520,000	527,000
Environmental remediation liabilities	398,000	571,000
Other	176,000	372,000
Total Continuing operations	$ 1,094,000	$ 1,470,000