XML 117 R94.htm IDEA: XBRL DOCUMENT v3.3.1.900
Employee Retirement Plans (Details 7)
$ in Millions
Dec. 31, 2015
USD ($)
Compensation and Retirement Disclosure [Abstract]  
2016 $ 19.4
2017 20.6
2018 21.8
2019 23.7
2020 24.7
2021-2025 $ 137.1