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Share-Based Compensation (Detail) - USD ($)
$ in Millions
3 Months Ended
Apr. 03, 2017
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares received per restricted stock unit (in shares)   1    
Total compensation cost related to nonvested awards, unrecognized   $ 24.3   $ 34.6
Weighted-average period to recognize compensation cost (in years)   2 years    
Aggregate intrinsic value for outstanding SARs and RSUs   $ 82.5    
Aggregate intrinsic value for vested SARs and RSUs   $ 50.9    
Weighted-average remaining contractual life for outstanding SARs and RSUs (in years)   6 years    
Weighted-average remaining contractual life for exercisable SARs and RSUs, (in years)   5 years    
Share-based compensation   $ 2.7 $ 4.2  
Outstanding options to purchase common shares not included in dilutive shares (in shares)   1,300,000    
Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based payment award granted vesting period range (in years)   1 year    
Share-based payment, awards exercise period (in years and months)   12 months    
Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based payment award granted vesting period range (in years)   5 years    
Share-based payment, awards exercise period (in years and months)   10 years    
Subsequent Event [Member] | Stock Appreciation Rights [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (in shares) 742,000      
Subsequent Event [Member] | Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (in shares) 166,000