New Accounting Pronouncements New Accounting Pronouncements (Details) - Adjustments for New Accounting Pronouncement [Member] $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Cost of Sales [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Non-service cost components of net periodic benefit cost	$ 0.1
Selling, General and Administrative Expenses [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Non-service cost components of net periodic benefit cost	$ 0.1