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Acquisitions (Narrative) (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Oct. 27, 2019 store | Nov. 06, 2019 store entity | Sep. 28, 2019 USD ($) | Sep. 29, 2018 USD ($) | Sep. 28, 2019 USD ($) store warehouse property | Sep. 29, 2018 USD ($) store property
Business Acquisition [Line Items] |  |  |  |  |  |
Store acquisitions related to acquisition growth strategy | property |  |  |  |  | 5 |
Costs related to completed acquisitions | $ |  |  | $ 300 | $ 100 | $ 800 | $ 300
Sales for acquired entities | $ |  |  | $ 13,200 | $ 13,300 | 20,200 | 18,700
Total consideration transferred | $ |  |  |  |  | 64,600 | $ 38,774
Change in estimates, inventories | $ |  |  |  |  | (300) |
Change in estimates, property, plant and equipment | $ |  |  |  |  | 100 |
Change in estimates, finance lease assets | $ |  |  |  |  | (800) |
Change in estimates, intangible assets | $ |  |  |  |  | (300) |
Change in estimates, long-term deferred income tax assets | $ |  |  |  |  | 300 |
Change in estimates, current portion of finance leases and financing obligations | $ |  |  |  |  | (200) |
Change in estimates, long-term finance leases and financing obligations | $ |  |  |  |  | (2,400) |
Adjustments to goodwill related to purchase accounting | $ |  |  |  |  | $ (600) |
Subsequent Event [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Number of acquisitions | entity |  | 18 |  |  |  |
Number of stores yet to open |  | 1 |  |  |  |
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 |
Lloyd’s Tire Service, Inc. [Member] | Subsequent Event [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date | Oct. 27, 2019 |  |  |  |  |
Number of stores acquired | 3 |  |  |  |  |
S & S Unlimited, Inc. [Member] | Subsequent Event [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date | Oct. 27, 2019 |  |  |  |  |
Number of stores acquired | 6 |  |  |  |  |
Atlas Tire Center, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Aug. 25, 2019 |
Number of stores acquired |  |  |  |  | 1 |
LRZ3 Auto, LLC. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Aug. 25, 2019 |
Number of stores acquired |  |  |  |  | 2 |
T-Boy's Tire and Automotive, LLC. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Aug. 25, 2019 |
Number of stores acquired |  |  |  |  | 1 |
Twin Tire & Auto Care, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Aug. 25, 2019 |
Number of stores acquired |  |  |  |  | 2 |
Twin Tire & Auto Care Team, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Aug. 25, 2019 |
Number of stores acquired |  |  |  |  | 1 |
Scotty's Tire & Automotive, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Aug. 25, 2019 |
Number of stores acquired |  |  |  |  | 1 |
BAW LLC [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Jun. 23, 2019 |
Number of stores acquired |  |  |  |  | 2 |
Certified Tire And Service Centers, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | May 19, 2019 |
Number of stores acquired |  |  |  |  | 40 |
Number of distribution center | warehouse |  |  |  |  | 1 |
Allied Discount Tire And Brake, Inc [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Mar. 31, 2019 |
Number of stores acquired |  |  |  |  | 12 |
Walton’s Automotive, LLC. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Sep. 23, 2018 |
Number of stores acquired |  |  |  |  |  | 1
C&R Auto Service, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Sep. 16, 2018 |
Number of stores acquired |  |  |  |  |  | 1
Steele-Guiltner, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Sep. 09, 2018 |
Number of stores acquired |  |  |  |  |  | 4
Mayfair Tire & Service Center, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Jul. 15, 2018 |
Number of stores acquired |  |  |  |  |  | 1
Sawyer Tire, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Jul. 08, 2018 |
Number of stores acquired |  |  |  |  |  | 8
Free Service Tire Company, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | May 13, 2018 |
Number of stores acquired |  |  |  |  |  | 12
Number of retread centers acquired | property |  |  |  |  |  | 1
Number of wholesale centers acquired | property |  |  |  |  |  | 4
Liberty Auto Group, Inc. [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition date |  |  |  |  | Apr. 01, 2018 |
Number of stores acquired |  |  |  |  |  | 4
Fiscal 2020 Acquisitions [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total consideration transferred | $ |  |  |  |  | $ 64,606 |

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