Derivative Instruments - Designated as hedging, Financial Performance (Details) (Designated as Hedging Instrument [Member], USD $)	9 Months Ended	12 Months Ended
	Oct. 10, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion	$ (1,000,000)	$ 680,000	$ 1,060,000
Interest Rate Swap [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		(970,000)	2,510,000	(250,000)
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax		(70,000)	0
Foreign Exchange Contract [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred		(100,000)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		$ 170,000	$ 0	$ 0