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Exit and Disposal Activities - Components of Exit and Disposal Accrual Activity (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 9 Months Ended
Oct. 01, 2016
Jul. 02, 2016
Oct. 01, 2016
Restructuring Cost and Reserve [Line Items]      
Beginning Balance $ 3.7 $ 4.1 $ 4.1
Provision   0.9 0.9
Usage (0.6) (1.3)  
Ending Balance 3.1 3.7 3.1
Severance costs [Member] | Commercial & Industrial Group [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning Balance 0.2 0.3 0.3
Usage   (0.1)  
Ending Balance 0.2 0.2 0.2
Severance costs [Member] | Repair Systems & Information Group [Member]      
Restructuring Cost and Reserve [Line Items]      
Beginning Balance 3.5 3.8 3.8
Provision   0.9  
Usage (0.6) (1.2)  
Ending Balance $ 2.9 $ 3.5 $ 2.9