Changes in Carrying Amount of Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($)
Goodwill [Line Items]
Balance beginning of period	$ 1,264,810
Goodwill acquired during the year	577,977
Measurement period adjustments to goodwill acquired in prior year	(1,438)
Exchange effect	(16,594)
Balance end of period	1,824,755
Commercial Foodservice Equipment Group [Member]
Goodwill [Line Items]
Balance beginning of period	631,451
Goodwill acquired during the year	558,013
Measurement period adjustments to goodwill acquired in prior year	(970)
Exchange effect	(8,797)
Balance end of period	1,179,697
Food Processing Group [Member]
Goodwill [Line Items]
Balance beginning of period	198,278
Goodwill acquired during the year	19,964
Measurement period adjustments to goodwill acquired in prior year	(468)
Exchange effect	(2,630)
Balance end of period	215,144
Residential Kitchen [Member]
Goodwill [Line Items]
Balance beginning of period	435,081
Goodwill acquired during the year	0
Measurement period adjustments to goodwill acquired in prior year	0
Exchange effect	(5,167)
Balance end of period	$ 429,914