Business Combinations (Narrative) (Details)	1 Months Ended						12 Months Ended
	Aug. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2019 USD ($)	Jul. 31, 2019 USD ($)	Feb. 28, 2019 entity	Sep. 03, 2022 USD ($)	Aug. 28, 2021 USD ($)	Aug. 29, 2020 USD ($)
Business Acquisition [Line Items]
Notes payable							$ 4,750,000	$ 4,750,000
Goodwill							710,130,000	$ 692,704,000	$ 677,579,000
MSC Mexico [Member]
Business Acquisition [Line Items]
Ownership interest in subsidiary					75.00%
TAC [Member]
Business Acquisition [Line Items]
Number of subsidiaries involved in acquisition | entity						2
Ownership interest in subsidiary						75.00%
Payments to acquire business				$ 13,911,000
Post-closing working capital adjustment paid out				$ 2,286,000
Contingent consieration released							879,000
Business acquisition purchase price							$ 455,000
TAC [Member] | MSC Mexico [Member]
Business Acquisition [Line Items]
Payments to acquire business					$ 6,719,000
Fair value of contingent consideration to be paid out					1,342,000
Present value of contingent consideration based on probability-weighted fair value measurement					2,600,000
Business acquisition purchase price					8,061,000
TAC [Member] | Total Cash Consideration Fund [Member]
Business Acquisition [Line Items]
Cash					1,969,000
Notes payable					$ 4,750,000
Hurst [Member]
Business Acquisition [Line Items]
Ownership interest in subsidiary							80.00%
Percentage of ownership interest acquired			80.00%
Post-closing working capital adjustment paid out			$ 101,000
Business acquisition purchase price			$ 15,301,000
Engman-Taylor [Member]
Business Acquisition [Line Items]
Non-recurring transaction and integration costs							$ 211,000
Business acquisition purchase price		$ 24,838,000
Acquired intangible assets		4,800,000
Goodwill		6,173,000
Revenue of acquiree							18,774,000
Income of acquiree							521,000
Post-closing working capital adjustment received		661,000
Engman-Taylor [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Acquired intangible assets		3,900,000
Acquired intangible assets useful life	10 years
Engman-Taylor [Member] | Trademark [Member]
Business Acquisition [Line Items]
Acquired intangible assets		$ 900,000
Acquired intangible assets useful life		5 years
Tower Fasteners [Member]
Business Acquisition [Line Items]
Percentage of ownership interest acquired			100.00%
Post-closing working capital adjustment paid out	$ 1,029,000
Non-recurring transaction and integration costs							665,000
Business acquisition purchase price	33,867,000
Acquired intangible assets	19,500,000
Goodwill	12,247,000
Revenue of acquiree							4,127,000
Income of acquiree							$ 412,000
Tower Fasteners [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Acquired intangible assets	$ 18,700,000
Acquired intangible assets useful life	10 years
Tower Fasteners [Member] | Non-Compete Agreements [Member]
Business Acquisition [Line Items]
Acquired intangible assets	$ 200,000
Acquired intangible assets useful life	5 years
Tower Fasteners [Member] | Trademark [Member]
Business Acquisition [Line Items]
Acquired intangible assets	$ 600,000
Acquired intangible assets useful life	5 years