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Acquisitions (Narrative) (Details) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Dec. 06, 2020 USD ($) item | Dec. 28, 2019 USD ($) | Dec. 26, 2020 USD ($) property | Dec. 28, 2019 USD ($) warehouse store item
Business Acquisition [Line Items] |  |  |  |
Store acquisitions related to acquisition growth strategy | property |  |  | 5 |
Total consideration transferred |  |  |  | $ 103,700
Costs related to completed acquisitions |  | $ 400 |  | 1,200
Sales for acquired entities |  | 18,500 |  | $ 38,700
Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Store acquisitions related to greenfield store growth strategy | property |  |  | 4 |
Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Store acquisitions related to greenfield store growth strategy | property |  |  | 1 |
Fred Allen Enterprises, Inc. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total consideration transferred | $ 17,400 |  |  |
Acquisition date | Dec. 06, 2020 |  |  |
Number of stores acquired | item | 17 |  |  |
Costs related to completed acquisitions |  |  | $ 100 |
Sales for acquired entities |  |  | $ 900 |
Nevada Tire Holdings, LLC and Idaho Tire Holdings, LLC [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Nov. 17, 2019 |
Number of stores acquired | item |  |  |  | 18
S & S Unlimited, Inc. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Oct. 27, 2019 |
Number of stores acquired | item |  |  |  | 6
Lloyd’s Tire Service, Inc. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Oct. 27, 2019 |
Number of stores acquired | item |  |  |  | 3
Atlas Tire Center, Inc. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Aug. 25, 2019 |
Number of stores acquired | store |  |  |  | 1
LRZ3 Auto, LLC. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Aug. 25, 2019 |
Number of stores acquired | store |  |  |  | 2
T-Boy's Tire and Automotive, LLC. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Aug. 25, 2019 |
Number of stores acquired | store |  |  |  | 1
Twin Tire & Auto Care, Inc. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Aug. 25, 2019 |
Number of stores acquired | store |  |  |  | 2
Twin Tire & Auto Care Team, Inc. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Aug. 25, 2019 |
Number of stores acquired | store |  |  |  | 1
Scotty's Tire & Automotive, Inc. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Aug. 25, 2019 |
Number of stores acquired | store |  |  |  | 1
BAW LLC [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Jun. 23, 2019 |
Number of stores acquired | store |  |  |  | 2
Certified Tire And Service Centers, Inc. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | May 19, 2019 |
Number of stores acquired | store |  |  |  | 40
Number of distribution centers acquired | warehouse |  |  |  | 1
Allied Discount Tire And Brake, Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition date |  |  | Mar. 31, 2019 |
Number of stores acquired | store |  |  |  | 12
Fiscal 2020 Acquisitions [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total consideration transferred |  |  |  | $ 103,692
Fiscal 2020 Acquisitions [Member] | Customer Lists [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Weighted average useful life |  |  | 7 years |
Intangible assets |  | $ 2,847 |  | $ 2,847
Fiscal 2021 Acquisitions [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total consideration transferred |  |  | $ 17,426 |
Fiscal 2021 Acquisitions [Member] | Customer Lists [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Weighted average useful life |  |  | 7 years |
Intangible assets |  |  | $ 400 |

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