Restructuring (Details) - USD ($) $ in Thousands	3 Months Ended
May 29, 2021	May 30, 2020
Restructuring related liabilities
Restructuring expense	$ 5,932	$ 35,735
Anticipated restructuring-related costs	30,000
Trademarks
Restructuring related liabilities
Impairment of intangible assets		29,852
Reorganization Of Executive Management Team, Ongoing Workforce Reduction And Consolidation, And Transformation Initiatives [Member]
Restructuring related liabilities
Balance-beginning of period	15,490
Restructuring expense	5,932	35,735
Cash payments	(12,462)
Balance-end of period	8,960
Reorganization Of Executive Management Team, Ongoing Workforce Reduction And Consolidation, And Transformation Initiatives [Member] \| Selling, general and administrative expenses
Restructuring related liabilities
Restructuring expense		9,972
Reorganization Of Executive Management Team, Ongoing Workforce Reduction And Consolidation, And Transformation Initiatives [Member] \| Cost of revenues
Restructuring related liabilities
Restructuring expense		25,763
Severance and related costs
Restructuring related liabilities
Balance-beginning of period	12,657
Restructuring expense	506	4,811
Cash payments	(4,826)
Balance-end of period	8,337
Non-executive retention costs
Restructuring related liabilities
Restructuring expense		629
Professional and other fees
Restructuring related liabilities
Balance-beginning of period	2,833
Restructuring expense	5,426	4,532
Cash payments	(7,636)
Balance-end of period	623
SKU Optimization [Member]
Restructuring related liabilities
Restructuring expense		25,763
Retail Pharmacy \| Reorganization Of Executive Management Team, Ongoing Workforce Reduction And Consolidation, And Transformation Initiatives [Member]
Restructuring related liabilities
Restructuring expense	1,621	35,709
Retail Pharmacy \| Severance and related costs
Restructuring related liabilities
Restructuring expense		4,559
Retail Pharmacy \| Non-executive retention costs
Restructuring related liabilities
Restructuring expense		855
Retail Pharmacy \| Professional and other fees
Restructuring related liabilities
Restructuring expense	1,621	4,532
Retail Pharmacy \| SKU Optimization [Member]
Restructuring related liabilities
Restructuring expense		25,763
Pharmacy Services \| Reorganization Of Executive Management Team, Ongoing Workforce Reduction And Consolidation, And Transformation Initiatives [Member]
Restructuring related liabilities
Restructuring expense	4,311	26
Pharmacy Services \| Severance and related costs
Restructuring related liabilities
Restructuring expense	506	252
Pharmacy Services \| Non-executive retention costs
Restructuring related liabilities
Restructuring expense		$ (226)
Pharmacy Services \| Professional and other fees
Restructuring related liabilities
Restructuring expense	$ 3,805

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount expected to be recognized in earnings for the specified restructuring cost.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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