Changes in Carrying Amount of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Goodwill [Line Items]
Balance beginning of period	$ 1,264,810
Goodwill acquired during the year	15,488
Measurement period adjustments to goodwill acquired in prior year	1,066
Exchange effect	12,532
Balance end of period	1,293,896
Commercial Foodservice Equipment Group [Member]
Goodwill [Line Items]
Balance beginning of period	631,451
Goodwill acquired during the year	2,802
Measurement period adjustments to goodwill acquired in prior year	934
Exchange effect	618
Balance end of period	635,805
Food Processing Group [Member]
Goodwill [Line Items]
Balance beginning of period	198,278
Goodwill acquired during the year	12,686
Measurement period adjustments to goodwill acquired in prior year	132
Exchange effect	1,269
Balance end of period	212,365
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	10,645
Balance end of period	$ 445,726