Segment Information - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Revenue from External Customer [Line Items]
Impairment charges	$ 2,829	$ 3,771	$ 0
Gain on sale of businesses	57,760	0	0
Impairment of intangible assets	2,800
Piping Systems
Revenue from External Customer [Line Items]
Impairment charges		3,800
Gain on sale of real property			1,200
Operating Segments \| Piping Systems
Revenue from External Customer [Line Items]
Impairment charges	0	3,771
Gain on sale of businesses	0
Gain (loss) on sale of assets			1,194
Operating Segments \| Industrial Metals
Revenue from External Customer [Line Items]
Impairment charges	0	$ 0
Gain on sale of businesses	$ 6,454
Gain (loss) on sale of assets			(275)
Insurance recovery			$ 500

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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