Pension and Other Benefits - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Jan. 31, 2015	Jun. 30, 2016
United States Pension Plan of US Entity
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	$ 20.0
Foreign Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer		$ 0.9
Defined benefit plan estimated total employer contributions in current fiscal year		$ 1.9