Employee Benefit Plans (Details Textual) (USD $)	12 Months Ended
Mar. 02, 2013 Facility	Mar. 03, 2012	Feb. 26, 2011
Defined Benefit Plan Disclosure [Line Items]
Number of manufacturing facilities	2
Discretionary annual contribution			$ 3,700,000
Discretionary contribution period			10 months
Percentage employees are allowed to contribute (up to 60 percent)	60.00%
Company matching contribution percentage			30.00%
Percentage of eligible compensation contributed			6.00%
Annual company match amount	3,600,000	3,600,000	1,700,000
Investments in corporate-owned life insurance policies	3,000,000
Mutual funds	300,000
Total contribution to multi-employer union retirement plans	4,800,000	3,900,000	4,200,000
Estimated amortization from accumulated other comprehensive loss into net periodic benefit cost in the next fiscal year	200,000
Discount rate	3.75%	4.00%	5.25%
Net periodic pension expense, Expected return on plan assets	4.50%	5.50%	5.50%
Net periodic benefit cost	604,000	560,000	566,000
Net periodic pension expense, discount rate for next fiscal year	4.00%	5.25%	5.75%
Company contributions	909,000	678,000
Expected pension contributions next fiscal year	800,000
Weekly employee contribution to the employee stock purchase plan (up to $500 per week)	500
Company percentage match of employee contribution to the employee stock purchase plan	15.00%
Company match amount to the employee stock purchase plan	100,000	100,000	100,000
Scenario, Forecast
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost	600,000
Net periodic pension expense, discount rate for next fiscal year	3.75%
Other current and non-current liabilities
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation liability	$ 2,900,000
First one percent contributed
Defined Benefit Plan Disclosure [Line Items]
Company matching contribution percentage	100.00%
Percentage of eligible compensation contributed	1.00%
Two through six percent
Defined Benefit Plan Disclosure [Line Items]
Company matching contribution percentage	50.00%
Percentage of eligible compensation contributed	5.00%

Defined Contribution Plan, Employer Contribution Amount

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Defined Contribution Plan, Employer Discretionary Contribution Period

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Defined Contribution Plan Maximum Annual Contributions Per Employee Percent

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Employee Stock Purchase Plan, Annual Employer Contribution Amount

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Employee Stock Purchase Plan, Employer Matching Contribution, Percent

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Employee Stock Purchase Plan Maximum Weekly Employee After Tax Contribution Amount

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Mutual fund investments.

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Number Of Manufacturing Facilities That Union Employees Are Covered With 401(k) Plan

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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The aggregate amount in accumulated other comprehensive income expected to be recognized as a component of net periodic benefit cost over the fiscal year that follows the most recent annual statement of financial position presented, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation.

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The interest rate used to adjust for the time value of money for the plan.

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The interest rate used to adjust for the time value of money.

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An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

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The increase in the fair value of plan assets from contributions made by the employer.

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The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

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Amount of contributions made to the multiemployer plan by all employers who participate in the plan. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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