Summary of Significant Accounting Policies - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
Balance beginning of period	$ 1,092,722	$ 983,339
Goodwill, Acquired During Period	177,318	78,930
Measurement period adjustments to goodwill acquired in prior year	(36,367)	86,319
Goodwill Translation Accounting Adjustments	(31,137)	55,866
Balance end of period	1,264,810	1,092,722
Commercial Foodservice Equipment Group [Member]
Goodwill [Roll Forward]
Balance beginning of period	542,090	473,127
Goodwill, Acquired During Period	118,419	76,972
Measurement period adjustments to goodwill acquired in prior year	(36,408)	(503)
Goodwill Translation Accounting Adjustments	(7,350)	7,506
Balance end of period	631,451	542,090
Food Processing Group [Member]
Goodwill [Roll Forward]
Balance beginning of period	134,680	134,092
Goodwill, Acquired During Period	58,899	1,958
Measurement period adjustments to goodwill acquired in prior year	41	0
Goodwill Translation Accounting Adjustments	(4,658)	1,370
Balance end of period	198,278	134,680
Residential Kitchen [Member]
Goodwill [Roll Forward]
Balance beginning of period	415,952	376,120
Goodwill, Acquired During Period	0	0
Measurement period adjustments to goodwill acquired in prior year	0	86,822
Goodwill Translation Accounting Adjustments	(19,129)	46,990
Balance end of period	$ 435,081	$ 415,952