Segment Reporting Information - Operations and Assets (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 24, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 24, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			3
Revenues	$ 545,644	$ 486,696	$ 1,588,476	$ 1,447,989
Operating Earnings	143,149	124,599	420,192	386,728
Total Assets	2,438,200		2,438,200		$ 2,443,198
Operating Segments | Industrial
Segment Reporting Information [Line Items]
Revenues	156,182	154,560	459,176	428,872
Operating Earnings	53,964	50,812	161,795	138,879
Total Assets	606,224		606,224		601,843
Operating Segments | Process
Segment Reporting Information [Line Items]
Revenues	125,376	96,185	364,883	284,790
Operating Earnings	30,638	21,514	89,183	64,923
Total Assets	543,701		543,701		436,203
Operating Segments | Contractor
Segment Reporting Information [Line Items]
Revenues	264,086	235,951	764,417	734,327
Operating Earnings	65,123	58,659	192,314	203,366
Total Assets	698,698		698,698		599,726
Unallocated corporate
Segment Reporting Information [Line Items]
Operating Earnings	(6,576)	$ (6,386)	(23,100)	$ (20,440)
Total Assets	$ 589,577		$ 589,577		$ 805,426