Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Other Information - Additional Information (Detail) (USD $)	2 Months Ended	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue [Line Items]
Total revenues	$ 2,000,000us-gaap_Revenues	$ 41,417,000us-gaap_Revenues	$ 29,611,000us-gaap_Revenues	$ 37,620,000us-gaap_Revenues	$ 33,268,000us-gaap_Revenues	$ 47,405,000us-gaap_Revenues	$ 33,848,000us-gaap_Revenues	$ 42,198,000us-gaap_Revenues	$ 37,224,000us-gaap_Revenues	$ 141,916,000us-gaap_Revenues	$ 160,675,000us-gaap_Revenues	$ 197,627,000us-gaap_Revenues
Other Expenses [Abstract]
Advertising Expense										5,800,000us-gaap_AdvertisingExpense	6,900,000us-gaap_AdvertisingExpense	9,500,000us-gaap_AdvertisingExpense
Income Taxes Paid										200,000us-gaap_IncomeTaxesPaid	500,000us-gaap_IncomeTaxesPaid	500,000us-gaap_IncomeTaxesPaid
Domestic
Revenue [Line Items]
Total revenues										137,900,000	153,300,000	187,400,000
Foreign Sources
Revenue [Line Items]
Total revenues										$ 4,000,000	$ 7,400,000	$ 10,200,000