XML 113 R73.htm IDEA: XBRL DOCUMENT v3.6.0.2
Leases (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Minimum future lease payments due [Abstract]      
2017 $ 158.4    
2018 146.8    
2019 126.8    
2020 102.8    
2021 88.7    
Thereafter 246.9    
Minimum lease payments 870.4    
Business Acquisition [Line Items]      
Accrued liabilities related to excess lease space 1.6    
Minimum rentals to be received under noncancelable operating subleases 11.9    
Total rent expense including office space and other rentals $ 170.4 $ 141.1 $ 141.0