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Acquisitions (Narrative) (Details) $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May. 01, 2016 store property | Jan. 31, 2016 store | Dec. 13, 2015 store | Aug. 16, 2015 store | Jul. 12, 2015 store | Apr. 25, 2015 store item | Mar. 01, 2015 store | Dec. 07, 2014 store | Sep. 28, 2014 store | Aug. 08, 2014 store | Jun. 15, 2014 store | Apr. 13, 2014 store | Mar. 26, 2016 USD ($) store item | Mar. 28, 2015 USD ($) agreement store
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores never opened | store |  |  |  |  |  |  |  |  |  |  | 2 |  |  |
Total consideration transferred, portion in cash |  |  |  |  |  |  |  |  |  |  |  |  | $ 45,100 |
Total consideration transferred, portion payable |  |  |  |  |  |  |  |  |  |  |  |  | 6,000 |
Change in estimates, property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  | 4,100 |
Change in estimates, intangible assets |  |  |  |  |  |  |  |  |  |  |  |  | 600 |
Change in estimates, other current assets |  |  |  |  |  |  |  |  |  |  |  |  | 400 |
Change in estimates, long-term deferred income tax assets |  |  |  |  |  |  |  |  |  |  |  |  | 2,300 |
Change in estimates, current potion of capital leases and financing obligations |  |  |  |  |  |  |  |  |  |  |  |  | 800 |
Change in estimates, long-term capital leases and financing obligations |  |  |  |  |  |  |  |  |  |  |  |  | 9,500 |
Change in estimates, other liabilities |  |  |  |  |  |  |  |  |  |  |  |  | (200) |
Adjustments to goodwill related to purchase accounting |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,326 | $ (267)
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store | 29 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plants acquired | property | 1 |  |  |  |  |  |  |  |  |  |  |  |  |
Former Car-X Franchised Stores Acquisitions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  |  |  |  |  |  |  | 3 |
Number of franchisees | item |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Marietta Tire & Service, Inc. Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  | 1 |  |  |  |  |  |  |  |  |  |  |  |
McMar, Inc. Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  | 4 |  |  |  |  |  |  |  |  |  |  |
Host Tires of Lakeland, Inc. Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  | 1 |  |  |  |  |  |  |  |  |  |  |
Kost Tire [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  | 27 |  |  |  |  |  |  |  |  |  |
Windsor Tire Co. Aquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  | 4 |  |  |  |  |  |  |  |  |
Car-X Associates Corp. Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  | 146 |  |  |  |  |  |  |  |
Number of franchisees | item |  |  |  |  |  | 32 |  |  |  |  |  |  |  |
Hennelly Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  |  |  |  | 35 |  |  |  |
Lentz Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  |  |  |  |  | 10 |  |  |
Kan Rock Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  |  |  |  |  | 9 |  |  |
Bald Tire Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Wood & Fullerton Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  |  |  | 9 |  |  |  |  |
Martino Tire Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  | 8 |  |  |  |  |  |  |
Gold Coast Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  |  | 9 |  |  |  |  |  |
Fiscal 2015 Acquisitions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Costs related to acquisitions |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,100 |
Sales for acquired entities |  |  |  |  |  |  |  |  |  |  |  |  | 52,200 |
Net income for acquired entities |  |  |  |  |  |  |  |  |  |  |  |  | 500 |
Total consideration transferred |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 87,451
Fiscal 2016 Aquisitions [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Costs related to acquisitions |  |  |  |  |  |  |  |  |  |  |  |  | 700 |
Sales for acquired entities |  |  |  |  |  |  |  |  |  |  |  |  | 24,800 |
Net income for acquired entities |  |  |  |  |  |  |  |  |  |  |  |  | 1,400 |
Total consideration transferred |  |  |  |  |  |  |  |  |  |  |  |  | $ 51,104 |
New York, Georgia, and New Jersey [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stores acquired | store |  |  |  |  |  |  |  |  |  |  |  |  |  | 5
Number of separate transactions | agreement |  |  |  |  |  |  |  |  |  |  |  |  |  | 5

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