Basis of Presentation - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended				9 Months Ended			9 Months Ended		1 Months Ended	3 Months Ended		9 Months Ended		1 Months Ended
	Nov. 23, 2012	Nov. 23, 2012	Nov. 23, 2012 Operating Lease Sublease to Schurman [Member]	Feb. 29, 2012 Operating Lease Sublease to Schurman [Member]	Nov. 25, 2011 Operating Lease Sublease to Schurman [Member]	Nov. 23, 2012 Schurman [Member]	Nov. 23, 2012 Schurman [Member] Subordinated Credit Facility [Member]	Nov. 23, 2012 Schurman [Member] Collectibility of Receivables [Member]	Nov. 23, 2012 Schurman [Member] Liquidity Guaranty [Member]	Nov. 23, 2012 Schurman [Member] Investment In Equity [Member]	Jul. 27, 2012 Part City Holdings, Inc [Member]	Nov. 23, 2012 Part City Holdings, Inc [Member]	Aug. 24, 2012 Part City Holdings, Inc [Member]	Nov. 23, 2012 Part City Holdings, Inc [Member]	Jun. 04, 2012 Part City Holdings, Inc [Member]	Jul. 27, 2012 PC Topco Holdings, Inc [Member]
Variable Interest Entity [Line Items]
Equity Interest of Variable Interest Entity						15.00%
Maximum exposure to loss, Amount			$ 15,000,000	$ 22,100,000	$ 24,900,000		$ 10,000,000	$ 29,800,000	$ 12,000,000	$ 1,900,000
Number of days under liquidity guaranty									91 days
End period of Liquidity Guaranty									2014-01
Initial term of Subordinated Credit Facility							19 months
End Period of Subordinated Credit Facility							Nov. 17, 2010
Renewal Period of Subordinated Credit Facility							1 year
Majority stake disposal value															2,690,000,000
Number of common shares exchanged											617.3
Number of common shares exchanged																1,200
Number of common shares sold											123.44
Value of common shares sold											4,900,000
Gain on common shares sold	1,141,000	4,293,000									3,152,000	1,100,000	3,200,000	4,300,000
Cash proceeds from sale		4,920,000										4,900,000
Additional Proceeds on working capital adjustment											1,000,000
Total investments in common stock	$ 10,700,000	$ 10,700,000