Derivative Financial Instruments (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Apr. 01, 2016
Derivative [Line Items]
Interest expense	$ 9,200,000	$ 21,900,000
Derivative assets	9,400,000		$ 10,000,000
Derivative liabilities	300,000		500,000
Gain in AOCI expected to be recognized in earnings over the next twelve months	1,000,000
Not Designated As Hedging Instrument [Member]
Derivative [Line Items]
Derivative assets	0		0
Derivative liabilities	0		0
Gain (loss) recognized in income for derivative instruments	$ 0	0
Commodity Price Risk [Member]
Derivative [Line Items]
Maximum length of time hedged in cash flow hedge	24 months
Notional amount	$ 10,800,000		7,400,000
Gain (loss) recognized on hedge ineffective portion	$ 0	0
Foreign Exchange Contracts, Sales and Purchases [Member]
Derivative [Line Items]
Maximum length of time hedged in cash flow hedge	15 months
Notional amount	$ 34,600,000		34,600,000
Foreign Exchange Contracts, Intercompany Loans and Dividends [Member]
Derivative [Line Items]
Notional amount	0		$ 0
Interest Rate Swap Contracts [Member]
Derivative [Line Items]
Gain (loss) recognized on hedge ineffective portion	$ 0	0
Interest Rate Swap Contracts [Member] | Term Loan B Swaps Settled [Member]
Derivative [Line Items]
Notional amount				$ 450,000,000
Interest Rate Swap Contracts [Member] | Term Loan B [Member]
Derivative [Line Items]
Trade date	Apr. 01, 2016
Interest Rate Swap Contracts [Member] | Term Loan B [Member] | Reclassification From Accumulated Other Comprehensive Income [Member]
Derivative [Line Items]
Interest expense		$ 10,700,000
Interest Rate Swap Contracts [Member] | Term Loan B [Member] | Minimum [Member]
Derivative [Line Items]
LIBOR floor				0.75%