Basis of Presentation - Additional Information (Detail) (USD $)	6 Months Ended	1 Months Ended		6 Months Ended		6 Months Ended
	Aug. 30, 2013	Aug. 30, 2013 Party City Holdings [Member]	May 31, 2013 Party City Holdings [Member]	Aug. 30, 2013 Schurman [Member]	Aug. 30, 2013 Schurman [Member] Collectability Of Receivables [Member]	Aug. 30, 2013 Schurman [Member] Liquidity Guaranty [Member]	Aug. 30, 2013 Schurman [Member] Cost Method Investments [Member]	Aug. 30, 2013 Schurman [Member] Operating Leases Subleased to Schurman [Member]	Feb. 28, 2013 Schurman [Member] Operating Leases Subleased to Schurman [Member]	Aug. 24, 2012 Schurman [Member] Operating Leases Subleased to Schurman [Member]
Significant Accounting Policies [Line Items]
Equity interest holdings in Schurman Fine Papers				15.00%
Maximum exposure to loss, amount					$ 25,700,000	$ 10,000,000	$ 1,900,000	$ 9,400,000	$ 11,800,000	$ 17,700,000
Number of days after Schurman's lenders commence liquidation of collateral under Senior Credit Facility						91 days
End period of liquidity guaranty						2016-07
Investment in common stock		0	8,800,000
Cash distribution received	$ 12,105,000	$ 12,100,000