XML 49 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
Employee Retirement Plans (Tables)
3 Months Ended
Mar. 31, 2017
Compensation and Retirement Disclosure [Abstract]  
Schedule of Components of Net Pension Income
The components of net pension income for the three months ended March 31, 2017 and 2016, were as follows:

 
Three Months Ended March 31,
 
2017
 
2016
Interest cost
$
(4.3
)
 
$
(5.1
)
Expected return on plan assets
6.9

 
7.9

Net pension income
$
2.6

 
$
2.8