Nature of Operations	12 Months Ended
Dec. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations	NATURE OF OPERATIONS The Middleby Corporation (the "company") is engaged in the design, manufacture and sale of commercial foodservice, food processing equipment and residential kitchen equipment. The company manufactures and assembles this equipment at thirty-one U.S. and twenty-six international manufacturing facilities. The company operates in three business segments: 1) the Commercial Foodservice Equipment Group, 2) the Food Processing Equipment Group and 3) the Residential Kitchen Equipment Group. The Commercial Foodservice Equipment Group has a broad portfolio of cooking and warming equipment, which enables it to serve virtually any cooking or warming application within a commercial kitchen or foodservice operation. This cooking and warming equipment is used across all types of foodservice operations, including quick-service restaurants, full-service restaurants, convenience stores, retail outlets, hotels and other institutions. The products offered by this group include conveyor ovens, combi-ovens, convection ovens, baking ovens, proofing ovens, deck ovens, speed cooking ovens, hydrovection ovens, ranges, fryers, rethermalizers, steam cooking equipment, food warming equipment, catering equipment, heated cabinets, charbroilers, ventless cooking systems, kitchen ventilation, induction cooking equipment, countertop cooking equipment, toasters, griddles, professional mixers, stainless steel fabrication, custom millwork, professional refrigerators, blast chillers, coldrooms, ice machines, freezers and coffee and beverage dispensing equipment. The Food Processing Equipment Group offers a broad portfolio of processing solutions for customers producing pre-cooked meat products, such as hot dogs, dinner sausages, poultry and lunchmeats and baked goods such as muffins, cookies and bread. Through its broad line of products, the company is able to deliver a wide array of cooking solutions to service a variety of food processing requirements demanded by its customers. The company can offer highly integrated solutions that provide a food processing operation a uniquely integrated solution providing for the highest level of food quality, product consistency, and reduced operating costs resulting from increased product yields, increased capacity and greater throughput and reduced labor costs through automation. The products offered by this group include a wide array of cooking and baking solutions, including batch ovens, baking ovens, proofing ovens, conveyor belt ovens, continuous processing ovens, frying systems and automated thermal processing systems. The company also provides a comprehensive portfolio of complementary food preparation equipment such as grinders, slicers, reduction and emulsion systems, mixers, blenders, battering equipment, breading equipment, seeding equipment, water cutting systems, food presses, food suspension equipment, and forming equipment, as well as a variety of automated loading and unloading systems, food safety, food handling, freezing, defrosting and packaging equipment. This portfolio of equipment can be integrated to provide customers a highly efficient and customized solution. The Residential Kitchen Equipment Group has a broad portfolio of innovative and professional-style residential kitchen equipment. The products offered by this group include ranges, cookers, stoves, ovens, refrigerators, dishwashers, microwaves, cooktops, refrigerators, wine coolers, ice machines, ventilation equipment and outdoor equipment.

NATURE OF OPERATIONS

The Middleby Corporation (the "company") is engaged in the design, manufacture and sale of commercial foodservice, food processing equipment and residential kitchen equipment. The company manufactures and assembles this equipment at thirty-one U.S. and twenty-six international manufacturing facilities. The company operates in three business segments: 1) the Commercial Foodservice Equipment Group, 2) the Food Processing Equipment Group and 3) the Residential Kitchen Equipment Group.

The Commercial Foodservice Equipment Group has a broad portfolio of cooking and warming equipment, which enables it to serve virtually any cooking or warming application within a commercial kitchen or foodservice operation. This cooking and warming equipment is used across all types of foodservice operations, including quick-service restaurants, full-service restaurants, convenience stores, retail outlets, hotels and other institutions. The products offered by this group include conveyor ovens, combi-ovens, convection ovens, baking ovens, proofing ovens, deck ovens, speed cooking ovens, hydrovection ovens, ranges, fryers, rethermalizers, steam cooking equipment, food warming equipment, catering equipment, heated cabinets, charbroilers, ventless cooking systems, kitchen ventilation, induction cooking equipment, countertop cooking equipment, toasters, griddles, professional mixers, stainless steel fabrication, custom millwork, professional refrigerators, blast chillers, coldrooms, ice machines, freezers and coffee and beverage dispensing equipment.

The Food Processing Equipment Group offers a broad portfolio of processing solutions for customers producing pre-cooked meat products, such as hot dogs, dinner sausages, poultry and lunchmeats and baked goods such as muffins, cookies and bread. Through its broad line of products, the company is able to deliver a wide array of cooking solutions to service a variety of food processing requirements demanded by its customers. The company can offer highly integrated solutions that provide a food processing operation a uniquely integrated solution providing for the highest level of food quality, product consistency, and reduced operating costs resulting from increased product yields, increased capacity and greater throughput and reduced labor costs through automation. The products offered by this group include a wide array of cooking and baking solutions, including batch ovens, baking ovens, proofing ovens, conveyor belt ovens, continuous processing ovens, frying systems and automated thermal processing systems. The company also provides a comprehensive portfolio of complementary food preparation equipment such as grinders, slicers, reduction and emulsion systems, mixers, blenders, battering equipment, breading equipment, seeding equipment, water cutting systems, food presses, food suspension equipment, and forming equipment, as well as a variety of automated loading and unloading systems, food safety, food handling, freezing, defrosting and packaging equipment. This portfolio of equipment can be integrated to provide customers a highly efficient and customized solution.

The Residential Kitchen Equipment Group has a broad portfolio of innovative and professional-style residential kitchen equipment. The products offered by this group include ranges, cookers, stoves, ovens, refrigerators, dishwashers, microwaves, cooktops, refrigerators, wine coolers, ice machines, ventilation equipment and outdoor equipment.