Income Taxes - Significant Components of Company's Deferred Tax Assets and Liabilities (Detail) - USD ($)	Sep. 25, 2021	Sep. 26, 2020
Deferred tax assets
Net operating loss carryforwards	$ 91,500,000	$ 81,100,000
Capital losses	52,000,000.0	57,000,000.0
Non-deductible accruals	34,900,000	24,900,000
Non-deductible reserves	41,800,000	33,200,000
Stock-based compensation	17,600,000	18,600,000
Tax credits	10,000,000.0	10,200,000
Nonqualified deferred compensation plan	16,800,000	14,400,000
Lease liability	16,200,000	17,300,000
Other temporary differences	17,400,000	25,200,000
Deferred tax assets, gross	298,200,000	281,900,000
Less: valuation allowance	(121,300,000)	(118,500,000)
Deferred tax assets, net	176,900,000	163,400,000
Deferred tax liabilities
Depreciation and amortization	(389,700,000)	(333,900,000)
Right of use asset	(15,800,000)	(15,800,000)
Deferred tax liabilities, net	(405,500,000)	(349,700,000)
Net deferred tax liabilities	$ (228,600,000)	$ (186,300,000)

Deferred tax assets lease liability

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The tax effect as of the balance sheet date of the amount of future tax deductions arising from the Company's nonqualified deferred compensation plan.

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The amount as of the balance sheet date of the estimated future tax effects attributable to amortization of intangible assets, and to a lesser extent, depreciation of property and equipment.

+ References

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Deferred Tax Liabilities right of use asset

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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