v3.7.0.1
Lease Commitments - Capital and Operating Leases Minimum Future Payments (Detail) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Capital Leases, Company minimum lease payments:    
2017 $ 3.9  
2018 4.0  
2019 4.1  
2020 4.2  
2021 4.3  
Thereafter 58.3  
Total minimum payments 78.8  
Amount representing interest (56.0)  
Obligations under capital leases 22.8  
Obligations due within one year (0.1)  
Long-term obligations under capital leases 22.7 $ 22.5
Operating Leases, Company minimum lease payments:    
2017 11.3  
2018 9.6  
2019 7.6  
2020 6.9  
2021 5.5  
Thereafter 26.7  
Total minimum payments $ 67.6