Summary of Significant Accounting Policies - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Goodwill [Roll Forward]
Goodwill, Impairment Loss	$ 0
Goodwill, Impaired, Accumulated Impairment Loss	0
Balance beginning of period	1,849,747	$ 1,743,175
Goodwill, Acquired During Period	56,773	134,455
Measurement period adjustments to goodwill acquired in prior year	(7,018)	(31,651)
Goodwill Translation Accounting Adjustments	(34,759)	(3,768)
Balance end of period	1,934,261	1,849,747
Commercial Foodservice Equipment Group
Goodwill [Roll Forward]
Balance beginning of period	1,153,552	1,102,067
Goodwill, Acquired During Period	56,773	81,339
Measurement period adjustments to goodwill acquired in prior year	(56)	(27,929)
Goodwill Translation Accounting Adjustments	(18,167)	1,925
Balance end of period	1,228,436	1,153,552
Food Processing Group
Goodwill [Roll Forward]
Balance beginning of period	257,679	219,054
Goodwill, Acquired During Period	0	43,613
Measurement period adjustments to goodwill acquired in prior year	(8,732)	(3,722)
Goodwill Translation Accounting Adjustments	(6,851)	1,266
Balance end of period	255,798	257,679
Residential Kitchen
Goodwill [Roll Forward]
Balance beginning of period	438,516	422,054
Goodwill, Acquired During Period	0	9,503
Measurement period adjustments to goodwill acquired in prior year	1,770	0
Goodwill Translation Accounting Adjustments	(9,741)	(6,959)
Balance end of period	$ 450,027	$ 438,516