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Acquisitions (Details) - USD ($)
$ in Millions
6 Months Ended
Feb. 26, 2016
Nov. 30, 2015
Jul. 03, 2016
Apr. 03, 2016
Dec. 31, 2015
Acquisition          
Estimated useful lives     11 years 2 months 12 days    
Goodwill resulted through acquisition     $ 495.5   $ 489.0
Redeemable financial instrument          
Acquisition          
Liability recorded at acquisition date fair value     $ 6.8   5.7
Customer relationships          
Acquisition          
Estimated useful lives     11 years 2 months 12 days    
Technology          
Acquisition          
Estimated useful lives     9 years 1 month 6 days    
Trade name          
Acquisition          
Estimated useful lives     14 years 2 months 12 days    
Aerco Korea          
Acquisition          
Outstanding shares acquired (as a percent) 50.00%        
Percentage of ownership before transaction 40.00%        
Aggregate ownership percentage 90.00%        
Shares remaining to be acquired 10.00%   10.00%    
Pre-tax gain on the previously held ownership interest $ 1.7        
Liability recorded at acquisition date fair value 0.8     $ 0.8  
Aggregate consideration, net 4.0        
Goodwill resulted through acquisition 3.3        
Purchase price allocated to intangible assets $ 1.6        
Aerco Korea | Customer relationships          
Acquisition          
Estimated useful lives     10 years    
Apex          
Acquisition          
Outstanding shares acquired (as a percent)   80.00%      
Shares remaining to be acquired   20.00% 20.00%    
Number of years of closing   3 years      
Liability recorded at acquisition date fair value   $ 5.5     $ 5.5
Aggregate consideration, net   20.4      
Goodwill resulted through acquisition   12.9      
Purchase price allocated to intangible assets   $ 10.1      
Apex | Customer relationships          
Acquisition          
Estimated useful lives   10 years      
Apex | Trade name          
Acquisition          
Estimated useful lives   15 years