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Note 1 - Significant Accounting Policies (Details Textual) - USD ($) |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 16, 2020 | Sep. 27, 2020 | Jan. 29, 2020 | [1] | Sep. 29, 2019 | Sep. 30, 2018 | Feb. 28, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total |  | $ (20,050,000) |  | $ (29,114,000) |  | $ (3,067,000)
Inventory, LIFO Reserve |  | 942,000 |  | 1,661,000 |  |
Goodwill, Ending Balance |  | $ 328,445,000 |  | 250,309,000 | $ 246,176,000 |
Class of Warrant or Right, Outstanding (in shares) |  | 6,000,000 |  |  |  |
Operating Lease, Right-of-Use Asset | $ 56,226,000 | $ 70,933,000 |  | 0 |  |
Operating Lease, Liability, Current |  | 8,577,000 |  | 0 |  |
Operating Lease, Liability, Noncurrent |  | 62,374,000 |  | $ 0 |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  | 10,709,000 |  |  |  |
Operating Lease, Liability, Current |  | 2,281,000 |  |  |  |
Operating Lease, Liability, Noncurrent |  | 8,353,000 |  |  |  |
Uninsured Risk [Member] |  |  |  |  |  |
Loss Contingency Accrual, Ending Balance |  | $ 3,905,000 |  |  |  |
Minimum [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  | 1 year |  |  |  |
Maximum [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  | 4 years |  |  |  |
BHMG [Member] |  |  |  |  |  |
Goodwill, Ending Balance |  | $ 78,136,000 | $ 63,559,000 |  |  |
Leasehold Improvements [Member] | BHMG [Member] | Minimum [Member] |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years |  |  |  |  |
Leasehold Improvements [Member] | BHMG [Member] | Maximum [Member] |  |  |  |  |  |
Property, Plant and Equipment, Useful Life (Year) | 9 years |  |  |  |  |
TNI Partners [Member] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 50.00% |  |  |  |
Goodwill, Ending Balance |  | $ 12,366,000 |  |  |  |
MNI [Member] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 50.00% |  |  |  |
INN Partners, L.C. [Member] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 82.50% |  |  |  |
[1] | As previously reported in the Company's Quarterly Report on Form 10-Q for the period ended March 29, 2020.

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