Retirement Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 01, 2014	Mar. 02, 2013	Mar. 03, 2012
Defined Contribution Plans
Employer match of employee contributions up to 3% of pretax annual compensation to 401 (k) defined contribution plan (as a percent)	100.00%
Percentage of participant's pretax annual compensation matched 100% by employer	3.00%
Employer match of employee contributions of additional 2% of pretax annual compensation to 401 (k) defined contribution plan (as a percent)	50.00%
Percentage of participant's pretax annual compensation matched 50% by employer	2.00%
Total expense recognized for 401(k) defined contribution plans	$ 57,857	$ 56,480	$ 57,036
Vesting period	5 years
Expense recognized for supplemental retirement defined contribution plan	11,531	7,469	4,582
Estimated amounts that will be amortized from accumulated other comprehensive loss into net periodic pension expense
Net actuarial loss	2,399
Prior service cost	240
Asset allocations
Total (as a percent)	100.00%	100.00%
Target allocation of plan assets
Total (as a percent)	100.00%
Equity Securities
Asset allocations
Total (as a percent)	62.00%	60.00%
U.S. equities
Target allocation of plan assets
Total (as a percent)	46.00%
International equity
Target allocation of plan assets
Total (as a percent)	16.00%
Fixed Income
Asset allocations
Total (as a percent)	38.00%	40.00%
Target allocation of plan assets
Total (as a percent)	38.00%
Defined Benefit Pension Plan
Net periodic pension expense
Service cost	3,341	2,908	2,988
Interest cost	6,120	6,128	6,501
Expected return on plan assets	(6,738)	(6,719)	(6,192)
Amortization of unrecognized prior service cost	240	240	639
Amortization of unrecognized net loss (gain)	4,935	3,926	2,435
Net pension expense (income)	7,898	6,483	6,371
Other changes recognized in other comprehensive loss:
Unrecognized net (gain) loss arising during period	(18,860)	12,901	24,664
Prior service cost arising during period			(275)
Amortization of unrecognized prior service cost	(240)	(240)	(639)
Amortization of unrecognized net (loss) gain	(4,935)	(3,926)	(2,435)
Net amount recognized in other comprehensive loss	(24,035)	8,735	21,315
Net amount recognized in pension expense and other comprehensive loss	(16,137)	15,218	27,686
Change in benefit obligations:
Benefit obligation at end of prior year	158,522	142,310
Service cost	3,341	2,908	2,988
Interest cost	6,120	6,128	6,501
Distributions	(7,677)	(6,644)
Change due to change in assumptions		13,979
Actuarial (gain) loss	(11,710)	(159)
Benefit obligation at end of year	148,596	158,522	142,310
Change in plan assets:
Fair value of plan assets at beginning of year	114,773	108,196
Employer contributions	8,000	5,583	14,878
Actual return on plan assets	13,888	9,067
Distributions (including expenses paid by the plan)	(7,677)	(8,073)
Fair value of plan assets at end of year	128,984	114,773	108,196
Funded status	(19,612)	(43,749)
Amounts recognized in consolidated balance sheets consisted of:
Accrued pension liability	(19,612)	(43,749)
Net amount recognized	(19,612)	(43,749)
Amounts recognized in accumulated other comprehensive loss consist of:
Net actuarial loss	(35,348)	(59,143)
Prior service cost	(307)	(547)
Amount recognized	(35,655)	(59,690)
Estimated amounts that will be amortized from accumulated other comprehensive loss into net periodic pension expense
Accumulated benefit obligation	148,596	158,368
Significant actuarial assumptions used for all defined benefit plans to determine the benefit obligation
Discount rate (as a percent)	4.50%	4.00%	4.50%
Rate of increase in future compensation levels (as a percent)	4.50%	4.50%	5.00%
Weighted average assumptions used to determine net cost
Discount rate (as a percent)	4.00%	4.50%	5.50%
Rate of increase in future compensation levels (as a percent)	4.50%	5.00%	5.00%
Expected long-term rate of return on plan assets (as a percent)	7.75%	7.75%	7.75%
Defined benefit plans estimated future employer contributions
Expected employer contribution during fiscal 2015	0
Nonqualified Executive Retirement Plan
Defined Benefit Plans
Defined benefit plans, annual benefit payment period	15 years
Net periodic pension expense
Service cost			21
Interest cost	541	616	771
Amortization of unrecognized net loss (gain)	(351)	866	(582)
Net pension expense (income)	190	1,482	210
Other changes recognized in other comprehensive loss:
Unrecognized net (gain) loss arising during period	(351)	866	595
Amortization of unrecognized net (loss) gain	351	(866)	582
Net amount recognized in other comprehensive loss			1,177
Net amount recognized in pension expense and other comprehensive loss	190	1,482	1,387
Change in benefit obligations:
Benefit obligation at end of prior year	14,332	14,509
Service cost			21
Interest cost	541	616	771
Distributions	(1,657)	(1,659)
Change due to change in assumptions		756
Actuarial (gain) loss	(351)	110
Benefit obligation at end of year	12,865	14,332	14,509
Change in plan assets:
Employer contributions	1,655	1,659
Distributions (including expenses paid by the plan)	(1,655)	(1,659)
Funded status	(12,865)	(14,331)
Amounts recognized in consolidated balance sheets consisted of:
Accrued pension liability	(12,865)	(14,331)
Net amount recognized	(12,865)	(14,331)
Estimated amounts that will be amortized from accumulated other comprehensive loss into net periodic pension expense
Accumulated benefit obligation	12,865	14,331
Significant actuarial assumptions used for all defined benefit plans to determine the benefit obligation
Discount rate (as a percent)	4.50%	4.00%	4.50%
Rate of increase in future compensation levels (as a percent)			3.00%
Weighted average assumptions used to determine net cost
Discount rate (as a percent)	4.00%	4.50%	5.50%
Rate of increase in future compensation levels (as a percent)			3.00%
Defined benefit plans estimated future employer contributions
Expected employer contribution during fiscal 2015	$ 1,722