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Segment Reporting Information - Operations and Assets (Details) $ in Thousands	3 Months Ended
	Apr. 01, 2022 USD ($) segment	Mar. 26, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	3
Revenues	$ 494,285	$ 454,129
Operating Earnings	128,363	128,286
Total Assets	2,319,445		$ 2,443,198
Operating Segments | Industrial
Segment Reporting Information [Line Items]
Revenues	144,669	129,864
Operating Earnings	52,630	42,358
Total Assets	601,377		601,843
Operating Segments | Process
Segment Reporting Information [Line Items]
Revenues	115,024	91,373
Operating Earnings	27,488	21,733
Total Assets	497,363		436,203
Operating Segments | Contractor
Segment Reporting Information [Line Items]
Revenues	234,592	232,892
Operating Earnings	58,947	71,051
Total Assets	614,150		599,726
Unallocated corporate
Segment Reporting Information [Line Items]
Operating Earnings	(10,702)	$ (6,856)
Total Assets	$ 606,555		$ 805,426

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