Summary of Results of Operations for Business Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 04, 2015		Mar. 29, 2014		Jan. 03, 2015
Segment Reporting Information [Line Items]
Net sales	$ 406,596	[1]	$ 372,478	[1]
Income from operations	66,580		55,933
Depreciation and amortization expense	11,232		10,521
Net capital expenditures	6,117		3,231
Total assets	2,142,836		1,915,842		2,066,131
Commercial Foodservice Equipment Group [Member]
Segment Reporting Information [Line Items]
Net sales	262,216		234,050
Income from operations	63,726		54,962
Depreciation and amortization expense	5,266		4,884
Net capital expenditures	4,624		2,243
Total assets	1,117,585		1,020,845
Food Processing
Segment Reporting Information [Line Items]
Net sales	69,819		75,586
Income from operations	13,310		12,122
Depreciation and amortization expense	1,437		2,121
Net capital expenditures	355		449
Total assets	309,829		308,442
Residential Kitchen [Member]
Segment Reporting Information [Line Items]
Net sales	74,561		62,842
Income from operations	4,941		207
Depreciation and amortization expense	4,129		3,091
Net capital expenditures	1,060		539
Total assets	635,388		491,465
Corporate and Other
Segment Reporting Information [Line Items]
Net sales	0		0
Income from operations	(15,397)		(11,358)
Depreciation and amortization expense	400		425
Net capital expenditures	78		0
Total assets	$ 80,034		$ 95,090

[1] Non-operating expenses are not allocated to the operating segments. Non-operating expenses consist of interest expense and deferred financing amortization, foreign exchange gains and losses and other income and expense items outside of income from operations.