Retirement Plan - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Jan. 01, 2012	Mar. 03, 2012	Feb. 26, 2011	Feb. 27, 2010	Dec. 31, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined contribution profit sharing plan, employee service year for eligibility		1 year
Description of contributions under retirement plan	The plan also has a 401(k) feature whereby the Company matches employee contributions to the plan. Effective January 1, 2012, the Company amended its matching contribution from 50 percent of employee contributions to the plan up to six percent of an employee’s wages (maximum of three percent) to 100 percent of employee contributions to the plan on the first three percent of an employee’s wages and then 50 percent of employee contributions to the plan over three percent up to five percent of their wages (maximum of four percent). Also effective January 1, 2012, employee contributions and Company matching contributions vest immediately. The Company’s total expense charged to continuing operations for the plan in 2012, 2011 and 2010 amounted to $1,329,000, $844,000 and $2,250,000, respectively.
Percentage of company's matching contribution to employee contributions under retirement plan					50.00%
Percentage of company's matching contribution as percentage of an employee's wages					6.00%
Percentage of employee's wage contributed to retirement plan					3.00%
Retirement plan, total expense		$ 1,329,000	$ 844,000	$ 2,250,000
Liability for compensation deferred under retirement plan		3,828,000	2,661,000
Deferred compensation total expense		$ 24,000	$ 164,000	$ 84,000
On the first three percent of an employee's wages
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of company's matching contribution to employee contributions under retirement plan	100.00%
Employee contributions to the plan over three percent up to five percent of their wages
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of company's matching contribution to employee contributions under retirement plan	50.00%
Percentage of employee's wage contributed to retirement plan	4.00%