Derivative Financial Instruments - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended
	Sep. 30, 2015	Apr. 30, 2015	Sep. 30, 2012	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Estimated amount of unrealized gains, net of tax, related to interest rate, commodity price and currency rate hedging that will be reclassified from other comprehensive income into earnings				$ (3,200,000)
Hedge period, low end of the range (in months)				12 months
Hedge period, high end of the range (in months)				24 months
Cash received from monetized derivative asset			$ 14,800,000
Interest Rate Swap
Derivative [Line Items]
Cash received from monetized derivative asset			$ 14,800,000
Cash Flow Hedging | Term loan A
Derivative [Line Items]
Derivative, notional amount				$ 175,000,000	$ 175,000,000
Interest rate hedged at				1.635%
Fair Value Hedging | Senior Notes, Due 2020 and Due 2022
Derivative [Line Items]
Derivative, notional amount				$ 0
Fair Value Hedging | Senior Notes, Due 2020
Derivative [Line Items]
Derivative, notional amount					75,000,000
Derivative Liability, Notional Amount		$ 75,000,000
Fair Value Hedging | Senior Notes, Due 2022
Derivative [Line Items]
Derivative, notional amount					$ 125,000,000
Derivative Liability, Notional Amount	$ 80,000,000	45,000,000
Gain (loss) on monetization	$ (500,000)	$ (700,000)