Accumulated Other Comprehensive Income (Loss) - Changes in AOCI by Component (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
May 30, 2020	May 25, 2019	May 30, 2020	May 25, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 801,524	$ 570,666	$ 632,212	$ 534,445
OCI before reclassifications	(432)	(362)	(500)	(1,018)
Amounts reclassified from AOCI	8	8	24	24
Total other comprehensive loss	(424)	(354)	(476)	(994)
Ending balance	784,810	602,993	784,810	602,993
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(543)	252	(491)	892
Ending balance	(967)	(102)	(967)	(102)
Defined Benefit Pension Items
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(543)	(575)	(559)	(591)
OCI before reclassifications		0	0	0
Amounts reclassified from AOCI	8	8	24	24
Total other comprehensive loss	8	8	24	24
Ending balance	(535)	(567)	(535)	(567)
Interest Rate Swap
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	0		68
OCI before reclassifications	(432)		(500)
Amounts reclassified from AOCI	0		0
Total other comprehensive loss	(432)		(500)
Ending balance	$ (432)		$ (432)
Interest Rate Swap
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		827		1,483
OCI before reclassifications		(362)		(1,018)
Amounts reclassified from AOCI		0		0
Total other comprehensive loss		(362)		(1,018)
Ending balance		$ 465		$ 465

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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