Schedule II - Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Allowance for Doubtful Receivables [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves, Beginning Balance	$ 622		$ 945		$ 1,333
Chargesto Costsand Expenses	162		79		258
Charges (Deductions) toOther Accounts	7	[1]	(75)	[1],[2]	(15)	[1]
Deductions	(322)	[3]	(327)	[3]	(631)	[3]
Valuation Allowances and Reserves, Ending balance	469		622		945
Allowance for Note Receivable [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves, Beginning Balance	480	[4]	480	[4]	480
Chargesto Costsand Expenses	0		0		0
Charges (Deductions) toOther Accounts	0		0		0
Deductions	(480)		0		0
Valuation Allowances and Reserves, Ending balance	0		480	[4]	480	[4]
Tax Valuation Allowances [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves, Beginning Balance	7,132		6,023		2,874
Chargesto Costsand Expenses	854		1,359		3,149
Charges (Deductions) toOther Accounts	0		0		0
Deductions	(4,399)	[5]	(250)	[5]	0
Valuation Allowances and Reserves, Ending balance	$ 3,587		$ 7,132		$ 6,023

[1] Foreign currency translation and other adjustments.

[2] Includes deduction of $66,000 relating to sale of Affinity business in June, 2011.

[3] Uncollected receivables written off and recoveries.

[4] A reserve for $0.5 million was recorded during 2004 for the remaining balance of the note receivable associated with the sale of certain assets of the fiberboard operation in 2001, which was included within -Prepaid expenses and other current assets- on the Consolidated Balance Sheets as of December 31, 2011 and 2010. The receivable was written off against the reserve in 2012.

[5] Reduction to income tax expense.