Property, Plant and Equipment Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Abstract]
Depreciation	$ 90,700,000	$ 88,100,000	$ 87,800,000
Payments for additions to property, plant and equipment	129,600,000	120,100,000	$ 102,600,000
Interest costs capitalized	$ 0	$ 0