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SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Dec. 29, 2012
Accounting Policies      
Fiscal weeks 53 weeks 52 weeks 52 weeks
Research and development expense $ 19.3us-gaap_ResearchAndDevelopmentExpense $ 16.8us-gaap_ResearchAndDevelopmentExpense $ 9.9us-gaap_ResearchAndDevelopmentExpense
Carrying value long-term debt 177.2us-gaap_LongTermDebt 188.8us-gaap_LongTermDebt  
Fair value long-term debt 191.1us-gaap_LongTermDebtFairValue 203.7us-gaap_LongTermDebtFairValue  
Depreciation $ 28.1us-gaap_Depreciation $ 23.4us-gaap_Depreciation $ 21.1us-gaap_Depreciation
Standard warranty obligation, term (in years) 2 years    
Standard installation warranty obligation, term (in years) 1 year    
Extended warranty obligation, term (in years) 5 years    
Patents      
Accounting Policies      
Finite-lived intangible asset, useful life (in years) 17 years    
Supply Agreements      
Accounting Policies      
Finite-lived intangible asset, useful life (in years) 6 years    
Technology      
Accounting Policies      
Finite-lived intangible asset, useful life (in years) 15 years    
Customer Relationships | Minimum      
Accounting Policies      
Finite-lived intangible asset, useful life (in years) 13 years    
Customer Relationships | Maximum      
Accounting Policies      
Finite-lived intangible asset, useful life (in years) 20 years    
Software      
Accounting Policies      
Finite-lived intangible asset, useful life (in years) 5 years    
Other      
Accounting Policies      
Finite-lived intangible asset, useful life (in years) 8 years    
Land Improvements and Buildings | Minimum      
Accounting Policies      
Property, plant, and equipment, useful life (in years) 5 years    
Land Improvements and Buildings | Maximum      
Accounting Policies      
Property, plant, and equipment, useful life (in years) 20 years    
Machinery and Equipment | Minimum      
Accounting Policies      
Property, plant, and equipment, useful life (in years) 5 years    
Machinery and Equipment | Maximum      
Accounting Policies      
Property, plant, and equipment, useful life (in years) 10 years    
Furniture and Fixtures      
Accounting Policies      
Property, plant, and equipment, useful life (in years) 5 years