Significant Components of Company's Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 25, 2021	Dec. 26, 2020
Deferred tax assets:
Lease Liabilities	$ 16,236	$ 17,951
Inventory	14,343	4,114
Stock-based compensation expense	6,713	5,568
Loss carryforwards	3,859
Accrued expenses	3,449	1,581
Accrued commitments for inventory at vendor locations	2,607
Tax credit carryforwards	1,874	774
Accrued destruction costs	1,538
Accrued noncancellable purchase orders for cancelled projects	1,134
Other	1,569	1,439
Total deferred tax assets	53,322	31,427
Valuation allowance	(3,341)	(2,022)
Total deferred tax assets net of valuation allowance	49,981	29,405
Deferred tax liabilities:
Property, plant and equipment	(102,696)	(88,947)
Right-of-use assets	(14,035)	(15,695)
Amortization	(15,024)	(12,900)
Prepaid expenses	(5,721)	(4,528)
Total deferred tax liabilities	(137,476)	(122,070)
Net deferred tax liabilities	$ (87,495)	$ (92,665)