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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 30, 2012
Jan. 01, 2012
Jan. 02, 2011
Accounting Policies [Line Items]      
Research and development expense $ 12,400,000 $ 12,100,000 $ 11,100,000
Original maturity period of cash and cash equivalents Three months or less    
Amount of interest 23,100,000 23,700,000 34,300,000
Income tax payments 10,000,000 19,900,000 13,900,000
Income tax refunds 100,000 4,400,000 800,000
Interest costs capitalized 700,000 600,000 600,000
Depreciation expense 24,200,000 22,300,000 18,200,000
Accumulated amortization 77,300,000 77,300,000  
Cumulative impairment losses recognized 212,600,000 212,600,000  
Goodwill 75,672,000 74,557,000  
Other intangible assets 2,500,000 2,000,000  
Amortization expense related to intangible assets 400,000 700,000 400,000
Decline of goodwill fair value estimates, percentage 10.00%    
Goodwill impairment 0    
Product warranties period, lower range 10 years    
Product warranties period, upper range 20 years    
Warranty reserves 1,200,000 900,000  
Foreign exchange translation gains (losses) 8,500,000 (7,600,000) (1,800,000)
Weighted average fair value of stock options granted   $ 7.37 $ 6.86
Allowance for doubtful accounts $ 8,800,000 $ 8,900,000  
Minimum [Member]
      
Accounting Policies [Line Items]      
Years of amortization of goodwill 25 years    
Maximum [Member]
      
Accounting Policies [Line Items]      
Years of amortization of goodwill 40 years    
Buildings and improvements [Member] | Minimum [Member]
      
Accounting Policies [Line Items]      
Estimated useful life in years 10 years    
Buildings and improvements [Member] | Maximum [Member]
      
Accounting Policies [Line Items]      
Estimated useful life in years 40 years    
Furniture and equipment [Member] | Minimum [Member]
      
Accounting Policies [Line Items]      
Estimated useful life in years 3 years    
Furniture and equipment [Member] | Maximum [Member]
      
Accounting Policies [Line Items]      
Estimated useful life in years 12 years