Derivative Financial Instruments Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The fair values of our derivative instruments are as follows:

		Fair Value
	Balance Sheet Location	December 31, 2015		December 31, 2014
		(in thousands)
Asset Derivatives
Derivatives designated as hedging instruments under ASC 815-20
Interest rate swap contracts	Other long-term assets	$	1,632	$	75
Interest rate cap contracts	Other long-term assets	1,423		—
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current assets	27		107
Total asset derivatives		$	3,082	$	182
Liability Derivatives
Derivatives designated as hedging instruments under ASC 815-20
Interest rate swap contracts	Other current liabilities	$	868	$	1,317
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current liabilities	99		236
Total liability derivatives		$	967	$	1,553

Accumulated OCI for Derivative and Nonderivative Instruments Designated as Hedging Instruments, Net of Tax [Table Text Block]

OCI during the reporting period for our derivative and nonderivative instruments designated as hedging instruments, net of tax, was as follows:

	2015			2014			2013
	(in thousands)
Net unrealized gain (loss) on hedging instruments at January 1,	$	(15,148	)	$	(15,636	)	$	(16,069	)
Unrealized gain (loss) on derivative instruments	76			(566		)	2
Realized (gains) losses reclassified into net income (loss)	1,010			1,054			431
Net unrealized gain (loss) on hedging instruments at December 31,	$	(14,062	)	$	(15,148	)	$	(15,636	)

Offsetting Assets [Table Text Block]

A summary of the potential effect of netting arrangements on our financial position related to the offsetting of our recognized derivative assets and liabilities under master netting arrangements or similar agreements is as follows:

Offsetting of Derivative Assets
			Gross Amounts Not Offset in the Consolidated Balance Sheets
	Gross Amounts of Recognized Assets Presented in the Consolidated Balance Sheets		Derivative Financial Instruments			Cash Collateral Received		Net Amount
	(in thousands)
December 31, 2015	$	3,082	$	(565	)	$	—	$	2,517
December 31, 2014	$	182	$	(182	)	$	—	$	—

Offsetting Liabilities [Table Text Block]

Offsetting of Derivative Liabilities
			Gross Amounts Not Offset in the Consolidated Balance Sheets
	Gross Amounts of Recognized Liabilities Presented in the Consolidated Balance Sheets		Derivative Financial Instruments			Cash Collateral Pledged		Net Amount
	(in thousands)
December 31, 2015	$	967	$	(565	)	$	—	$	402
December 31, 2014	$	1,553	$	(182	)	$	—	$	1,371

Derivative Instruments, Gain (Loss) [Table Text Block]

The before-tax effect of our cash flow derivative instruments on the Consolidated Balance Sheets and the Consolidated Statements of Operations for the years ended December 31 are as follows:

Derivatives in ASC 815-20 Cash Flow Hedging Relationships	Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion)									Gain (Loss) Reclassified from AOCI into Income (Effective Portion)									Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)
										Location	Amount								Location	Amount
	2015			2014			2013				2015			2014			2013			2015		2014		2013
	(in thousands)										(in thousands)									(in thousands)
Interest rate swap contracts	$	367		$	(915	)	$	(3	)	Interest expense	$	(1,639	)	$	(1,704	)	$	697	Interest expense	$	—	$	—	$	—
Interest rate cap contracts	$	(244	)	$	—		$	—		Interest expense	$	—		$	—		$	—	Interest expense	$	—	$	—	$	—

Foreign Exchange Derivatives Not Designated As Hedging Instruments [Table Text Block]

The effect of our foreign exchange forward derivative instruments on the Consolidated Statements of Operations for the years ended December 31 is as follows:

Derivatives Not Designated as Hedging Instrument under ASC 815-20	Gain (Loss) Recognized on Derivatives in Other Income (Expense)
	2015			2014			2013
	(in thousands)
Foreign exchange forward contracts	$	(3,145	)	$	(5,248	)	$	(145	)