Summary of Results of Operations for Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2026	Sep. 27, 2025	Oct. 03, 2026	Sep. 27, 2025
Segment Reporting [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 652,575	$ 606,001	$ 1,898,724	$ 1,749,323
Cost of sales	402,904	368,025	1,154,927	1,044,536
Other Expenses	93,887	95,745	304,003	293,703
Segment Reporting, Other Segment Item, Amount	155,784	142,231	439,794	411,084
Depreciation	7,929	7,646	23,567	22,710
Amortization of Intangible Assets and Debt Issuance Costs	11,910	12,724	34,342	38,543
Capital Expenditures Net	5,801	7,283	18,366	22,624
Other Cost and Expense, Operating	57,058	18,440	110,058	64,220
Income from operations	98,726	123,791	329,736	346,864
Net interest expense and deferred financing amortization, net	22,875	25,299	73,898	64,371
Net periodic pension benefit	(2,449)	(1,597)	(7,306)	(4,714)
Other Nonoperating Income (Expense)	1,101	(2,026)	(4,972)	11,890
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	77,199	102,115	268,116	275,317
Provision for income taxes	19,167	23,131	68,362	63,617
Income (Loss) from Continuing Operations before Equity in Net Income (Loss) of Affiliate	58,032	78,984	199,754	211,700
Equity in losses of affiliate, net of tax	(38,664)	0	(67,559)	0
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	19,368	78,984	132,195	211,700
Commercial Foodservice Equipment Group
Segment Reporting [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	652,575	606,001	1,898,724	1,749,323
Cost of sales	403,539	367,878	1,155,445	1,044,777
Other Expenses	75,698	76,501	249,015	234,902
Segment Reporting, Other Segment Item, Amount	173,338	161,622	494,264	469,644
Depreciation	7,485	7,095	22,031	20,636
Amortization of Intangible Assets and Debt Issuance Costs	11,285	10,657	32,466	32,903
Capital Expenditures Net	5,391	7,016	17,528	22,219
Corporate Segment and Other Operating Segment
Segment Reporting [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Cost of sales	(635)	147	(518)	(241)
Other Expenses	18,189	19,244	54,988	58,801
Segment Reporting, Other Segment Item, Amount	(17,554)	(19,391)	(54,470)	(58,560)
Depreciation	444	551	1,536	2,074
Amortization of Intangible Assets and Debt Issuance Costs	625	2,067	1,876	5,640
Capital Expenditures Net	$ 410	$ 267	$ 838	$ 405