Acquisitions (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended
	Dec. 31, 2024	Apr. 30, 2024	Mar. 31, 2025	Mar. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Operating ROU Assets	$ 36,600		$ 37,400
Finance ROU Assets	34,600		33,500
Goodwill	203,200		210,000
Net sales			382,700	$ 326,300
Operating Income (Loss)			98,500	$ 86,100
3form [Member]
Finite-Lived Intangible Assets [Line Items]
Payments to acquire business		$ 93,500
Business acquisition, cash acquired		500
Business acquisition, total fair value of liabilities assumed, less tangible assets acquired		34,500
Business acquisition, accounts receivable		6,600
Business acquisition, inventory		7,900
Business acquisition, property, plant and equipment		35,000
Business acquisition, operating lease assets		10,100
Business acquisition, operating lease liabilities		10,000
Business acquisition, accounts payable and accrued liabilities		16,300
Fair value of identifiable intangible assets acquired		37,600
Goodwill		$ 21,900
Operating Income (Loss)			3,100
Depreciation and amortization			4,200
Zahner [Member]
Finite-Lived Intangible Assets [Line Items]
Payments to acquire business	30,000
Business acquisition, cash acquired	16,000
Business acquisition, total fair value of liabilities assumed, less tangible assets acquired	18,100
Business acquisition, accounts receivable	10,900
Business acquisition, property, plant and equipment	10,400
Operating ROU Assets	2,900
Operating lease liability	2,900
Finance ROU Assets	8,900
Present value of lease liabilities	8,900
Business acquisition, accounts payable and accrued liabilities	19,600
Fair value of identifiable intangible assets acquired	15,000
Goodwill	12,900
Net sales			$ 41,100
Non-compete Agreements [Member] | Zahner [Member]
Finite-Lived Intangible Assets [Line Items]
Fair value of identifiable intangible assets acquired	$ 1,600