XML 58 R53.htm IDEA: XBRL DOCUMENT v2.4.1.9
Operating Leases (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2013 $ 19.1us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2014 15.3us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2015 16.1us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
2016 13.6us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
2017 12.8us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears    
Thereafter 50.6us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter    
Total future minimum lease payments 127.5us-gaap_OperatingLeasesFutureMinimumPaymentsDue [1]    
Operating Leases, Rent Expense, Net [Abstract]      
Operating Leases, Rent Expense $ 21.4us-gaap_OperatingLeasesRentExpenseNet $ 20.7us-gaap_OperatingLeasesRentExpenseNet $ 22.4us-gaap_OperatingLeasesRentExpenseNet
[1] (1) Included in these amounts are future minimum lease payments commencing in the fourth quarter of 2016 that relate to a new lease entered into in December 2014 for the Company’s future headquarters in Lincolnshire, Illinois. Also reflected in these amounts is the future expiration of two leases in the first quarter of 2016 for facilities currently in use by the Company which the Company plans to consolidate into the new headquarters location and accordingly, these leases will not be renewed.