Employee Benefits Employee Benefits (Details) $ in Millions				12 Months Ended
	Apr. 02, 2014	Mar. 31, 2014	Feb. 28, 2014	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Employee Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Number of Non-Qualified Retirement Plans				2
Defined benefit plans revisions effective date	Apr. 01, 2014
Short Term Incentive Plan Payout				$ 10.5	$ 7.4	$ 4.0
Defined Benefit Plan, Remeasurement Date			Feb. 28, 2014
Retirement Income Plan
Employee Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Defined benefit plans revisions effective date	Apr. 01, 2014
Pension benefit earned by employee is frozen, date.		Mar. 31, 2014