Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated income (loss) before taxes - domestic	$ (27,400,000)	$ (162,000,000)	$ 127,700,000
Consolidated income before taxes - foreign	37,900,000	31,000,000	68,900,000
Tax refund due to operating loss carried back		52,000,000
Period for which operating loss carry-forward		20 years
Operating loss carry-forward expiration date minimum		Until 2032
Foreign operating loss carry-forwards	52,100,000	38,900,000
Valuation allowance against deferred tax assets	14,599,000	11,082,000
Cumulative undistributed earnings	171,200,000
Decrease in unrecognized tax benefits	700,000
Unrecognized tax benefits recorded as reduction in income tax expense	9,900,000
Interest and penalties	200,000	600,000	100,000
Accrued interest and penalties	1,600,000	1,600,000
Prior year unrecognized tax benefits by result of expiring statutes	900,000
Prior year unrecognized tax benefits	908,000	0
Reductions for prior year tax positions	300,000
Reduction in prior period unrecognized tax benefits	2,800,000
Federal and state jurisdictions [Member]
Prior year unrecognized tax benefits	$ 1,000,000