SEGMENT INFORMATION - Schedule of Net Income, Assets and Certain Other Items of Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total net sales	$ 3,950,773	$ 3,715,683	$ 3,468,045
Cost of goods sold	3,037,913	2,879,793	2,685,812
Gross profit	912,860	835,890	782,233
Operating expenses	636,871	577,850	522,033
Operating income	275,989	258,040	260,200
Reconciliation of reportable segment operating income to consolidated income before income tax:
Selling, general and administrative	361,588	325,754	299,418
Amortization of intangible assets	97,314	96,275	78,694
Interest expense, net	74,507	79,470	68,942
Other expenses	24,420	0	0
Consolidated income before income taxes	177,062	178,570	191,258
Total assets	3,076,174	3,020,954
Capital expenditures	82,921	75,682	62,048
Depreciation and amortization	170,212	166,545	144,543
Manufacturing
Segment Reporting Information [Line Items]
Total net sales	2,942,764	2,741,234	2,586,783
Reconciliation of reportable segment operating income to consolidated income before income tax:
Amortization of intangible assets	82,166	82,538
Distribution
Segment Reporting Information [Line Items]
Total net sales	1,008,009	974,449	881,262
Reconciliation of reportable segment operating income to consolidated income before income tax:
Amortization of intangible assets	15,148	13,737
Operating Segments
Segment Reporting Information [Line Items]
Total net sales	3,973,290	3,736,674	3,542,665
Cost of goods sold	3,065,659	2,899,267	2,769,875
Gross profit	907,631	837,407	772,790
Operating expenses	446,590	391,731	361,599
Operating income	461,041	445,676	411,191
Reconciliation of reportable segment operating income to consolidated income before income tax:
Selling, general and administrative	96,706	92,902	82,674
Amortization of intangible assets	96,956	96,235	78,616
Interest expense, net	74,507	79,470	68,942
Other expenses	24,420
Other		(3,002)
Total assets	2,969,719	2,927,360	2,498,431
Capital expenditures	72,012	73,150	58,865
Depreciation and amortization	163,291	159,572	139,141
Operating Segments | Manufacturing
Segment Reporting Information [Line Items]
Total net sales	2,958,970	2,756,547	2,653,257
Cost of goods sold	2,302,770	2,143,995	2,075,973
Gross profit	656,200	612,552	577,284
Operating expenses	298,164	271,591	256,188
Operating income	358,036	340,961	321,096
Reconciliation of reportable segment operating income to consolidated income before income tax:
Total assets	2,476,411	2,402,533	2,071,500
Capital expenditures	71,042	62,342	50,771
Depreciation and amortization	145,108	143,844	126,431
Operating Segments | Distribution
Segment Reporting Information [Line Items]
Total net sales	1,014,320	980,127	889,408
Cost of goods sold	762,889	755,272	693,902
Gross profit	251,431	224,855	195,506
Operating expenses	148,426	120,140	105,411
Operating income	103,005	104,715	90,095
Reconciliation of reportable segment operating income to consolidated income before income tax:
Total assets	493,308	524,827	426,931
Capital expenditures	970	10,808	8,094
Depreciation and amortization	18,183	15,728	12,710
Intersegment Eliminations
Segment Reporting Information [Line Items]
Gross profit	$ (8,610)	$ 1,501	$ (10,299)