Basis of Presentation - Recently adopted accounting pronouncements (Details) $ / shares in Units, $ in Thousands		9 Months Ended	12 Months Ended
	Mar. 03, 2019 USD ($) $ / shares shares	Nov. 30, 2019 USD ($) $ / shares shares	Mar. 02, 2019 USD ($) $ / shares shares	Aug. 31, 2019 USD ($)	Jun. 01, 2019 USD ($)	Apr. 18, 2019 shares	Apr. 17, 2019 shares	Dec. 01, 2018 USD ($)	Sep. 01, 2018 USD ($)	Jun. 02, 2018 USD ($)	Mar. 04, 2018 USD ($)	Mar. 03, 2018 USD ($)
Basis of presentation
Lease, Practical Expedients, Package [true false]	true
Operating lease liability		$ 3,226,038
Operating right-of-use assets	$ 3,026,976	2,935,104
Retained Earnings (Accumulated Deficit)	(4,770,020)	$ (4,897,473)	$ (4,713,244)
Lease exit liability	9,333		124,046
Option to lease extension		true
Maximum additional period for lease extension		5 years
Number of fixed lease payment		1
Current assets:
Cash and cash equivalents	144,353	$ 289,498	144,353
Accounts receivable, net	1,788,712	1,689,838	1,788,712
Inventories, net	1,871,941	1,957,045	1,871,941
Prepaid expenses and other current assets	127,684	178,292	179,132
Current assets held for sale	161,278	101,594	117,581
Total current assets	4,093,968	4,216,267	4,101,719
Property, plant and equipment, net	1,308,514	1,254,234	1,308,514
Operating lease right-of-use asset	3,026,976	2,935,104
Goodwill	1,108,136	1,108,136	1,108,136
Other intangibles, net	419,074	374,660	448,706
Deferred tax assets	409,084	382,105	409,084
Other assets	214,122	158,285	215,208
Total assets	10,579,874	10,428,791	7,591,367
Current liabilities:
Current maturities of long-term debt and lease financing obligations	16,111	9,486	16,111
Accounts payable	1,618,585	1,534,302	1,618,585
Accrued salaries, wages and other current liabilities	751,886	806,739	808,439
Current portion of operating lease liabilities	457,305	493,699
Current liabilities held for sale	45,167	42,422
Total current liabilities	2,889,054	2,886,648	2,443,135
Long-term debt, less current maturities	3,454,585	3,566,261	3,454,585
Long-term operating lease liabilities	2,838,022	2,732,339
Lease financing obligations, less current maturities, ASC842	24,064	20,607
Lease financing obligations, less current maturities, ASC840			24,064
Other noncurrent liabilities	244,235	207,078	482,893
Total liabilities	9,449,960	9,412,933	6,404,677
Commitments and contingencies
Stockholders' equity:
Common stock, par value $1 per share; 75,000 shares authorized; shares issued and outstanding 54,016	54,016	54,862	54,016
Additional paid-in capital	5,876,977	5,888,870	5,876,977
Accumulated deficit	(4,770,020)	(4,897,473)	(4,713,244)
Accumulated other comprehensive loss	(31,059)	(30,401)	(31,059)
Total stockholders' equity	1,129,914	1,015,858	1,186,690	$ 960,586	$ 1,035,217			$ 1,453,412	$ 1,455,949	$ 1,812,311		$ 1,601,010
Total liabilities and stockholders' equity	10,579,874	$ 10,428,791	$ 7,591,367
Common stock, par value (in dollars per share) | $ / shares		$ 1	$ 1
Common stock, shares authorized | shares		75,000,000	75,000,000			75,000	1,500,000
Common stock, shares issued | shares		54,862,000	54,016,000
Common stock, shares outstanding | shares		54,862,000	54,016,000
Revenue Adjustments
Basis of presentation
Retained Earnings (Accumulated Deficit)											$ 8,547
Current assets:
Accounts receivable, net											(57,897)
Inventories, net											51,121
Deferred tax assets											(1,771)
Stockholders' equity:
Accumulated deficit											$ 8,547
Revenue, Net			$ 123,500
Accounting Standards Update 2016-02
Basis of presentation
Operating lease liability	3,295,327
Retained Earnings (Accumulated Deficit)	(56,776)
Impairment loss	81,745
Deferred gains on sale-leaseback transactions	24,969
Stockholders' equity:
Accumulated deficit	$ (56,776)
Common stock, par value (in dollars per share) | $ / shares	$ 1
Common stock, shares authorized | shares	75,000,000
Common stock, shares issued | shares	54,016,000
Common stock, shares outstanding | shares	54,016,000
Accounting Standards Update 2016-02 | As Previously Reported
Basis of presentation
Retained Earnings (Accumulated Deficit)			(4,713,244)
Current assets:
Cash and cash equivalents			144,353
Accounts receivable, net			1,788,712
Inventories, net			1,871,941
Prepaid expenses and other current assets			179,132
Current assets held for sale			117,581
Total current assets			4,101,719
Property, plant and equipment, net			1,308,514
Goodwill			1,108,136
Other intangibles, net			448,706
Deferred tax assets			409,084
Other assets			215,208
Total assets			7,591,367
Current liabilities:
Current maturities of long-term debt and lease financing obligations			16,111
Accounts payable			1,618,585
Accrued salaries, wages and other current liabilities			808,439
Total current liabilities			2,443,135
Long-term debt, less current maturities			3,454,585
Lease financing obligations, less current maturities, ASC840			24,064
Other noncurrent liabilities			482,893
Total liabilities			6,404,677
Commitments and contingencies
Stockholders' equity:
Common stock, par value $1 per share; 75,000 shares authorized; shares issued and outstanding 54,016			54,016
Additional paid-in capital			5,876,977
Accumulated deficit			(4,713,244)
Accumulated other comprehensive loss			(31,059)
Total stockholders' equity			1,186,690
Total liabilities and stockholders' equity			$ 7,591,367
Accounting Standards Update 2016-02 | Adjustments
Basis of presentation
Operating right-of-use assets	$ 3,026,976
Retained Earnings (Accumulated Deficit)	(56,776)
Current assets:
Prepaid expenses and other current assets	(51,448)
Current assets held for sale	43,697
Total current assets	(7,751)
Operating lease right-of-use asset	3,026,976
Other intangibles, net	(29,632)
Other assets	(1,086)
Total assets	2,988,507
Current liabilities:
Accrued salaries, wages and other current liabilities	(56,553)
Current portion of operating lease liabilities	457,305
Current liabilities held for sale	45,167
Total current liabilities	445,919
Long-term operating lease liabilities	2,838,022
Other noncurrent liabilities	(238,658)
Total liabilities	3,045,283
Commitments and contingencies
Stockholders' equity:
Accumulated deficit	(56,776)
Total stockholders' equity	(56,776)
Total liabilities and stockholders' equity	$ 2,988,507