Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2017

Derivative Instrument Detail [Abstract]

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

The fair values of our derivative instruments were as follows:

		Fair Value
Asset Derivatives	Balance Sheet Location	June 30, 2017		December 31, 2016
Derivatives designated as hedging instruments under ASC 815-20		(in thousands)
Interest rate cap contracts	Other current assets	$	5	$	3
Interest rate swap contracts	Other long-term assets	1,219		1,830
Interest rate cap contracts	Other long-term assets	173		376
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current assets	62		169
Interest rate cap contracts	Other current assets	7		4
Interest rate cap contracts	Other long-term assets	259		563
Total asset derivatives		$	1,725	$	2,945
Liability Derivatives
Derivatives designated as hedging instruments under ASC 815-20
Interest rate swap contracts	Other current liabilities	$	114	$	934
Derivatives not designated as hedging instruments under ASC 815-20
Foreign exchange forward contracts	Other current liabilities	382		449
Total liability derivatives		$	496	$	1,383

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

The changes in accumulated other comprehensive income (loss) (AOCI), net of tax, for our derivative and nonderivative hedging instruments, were as follows:

	2017			2016
	(in thousands)
Net unrealized loss on hedging instruments at January 1,	$	(14,337	)	$	(14,062	)
Unrealized loss on hedging instruments	(330		)	(4,080		)
Realized losses reclassified into net income	391			348
Net unrealized loss on hedging instruments at June 30,	$	(14,276	)	$	(17,794	)

Offsetting Assets [Table Text Block]

A summary of the 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 of Recognized Assets Presented in the Consolidated Balance Sheets		Gross Amounts Not Offset in the Consolidated Balance Sheets
			Derivative Financial Instruments			Cash Collateral Received		Net Amount
	(in thousands)
June 30, 2017	$	1,725	$	(302	)	$	—	$	1,423
December 31, 2016	$	2,945	$	(1,322	)	$	—	$	1,623

Offsetting Liabilities [Table Text Block]

Offsetting of Derivative Liabilities	Gross Amounts of Recognized Liabilities Presented in the Consolidated Balance Sheets		Gross Amounts Not Offset in the Consolidated Balance Sheets
			Derivative Financial Instruments			Cash Collateral Pledged		Net Amount
	(in thousands)
June 30, 2017	$	496	$	(302	)	$	—	$	194
December 31, 2016	$	1,383	$	(1,322	)	$	—	$	61

Effect of Cash Flow Derivatives on the Balance Sheet and Income Statement, Before Tax [Table Text Block]

The before-tax effects of our derivative instruments designated as hedges on the Consolidated Balance Sheets and the Consolidated Statements of Operations were 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 Accumulated OCI into Income (Effective Portion)							Gain (Loss) Recognized in Income on Derivative (Ineffective Portion)
							Location	Amount						Location	Amount
	2017			2016				2017			2016				2017		2016
	(in thousands)							(in thousands)							(in thousands)
Three Months Ended June 30,
Interest rate swap contracts	$	(517	)	$	(1,771	)	Interest expense	$	(210	)	$	(280	)	Interest expense	$	—	$	—
Interest rate cap contracts	(117		)	(357		)	Interest expense	(50		)	—			Interest expense	—		—
Six Months Ended June 30,
Interest rate swap contracts	$	(336	)	$	(5,551	)	Interest expense	$	(545	)	$	(566	)	Interest expense	$	—	$	—
Interest rate cap contracts	(201		)	(1,090		)	Interest expense	(93		)	—			Interest expense	—		—

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

The effect of our derivative instruments not designated as hedges on the Consolidated Statements of Operations was as follows:

Derivatives Not Designated as Hedging Instrument under ASC 815-20	Location	Gain (Loss) Recognized on Derivatives in Other Income (Expense)
		2017			2016
Three Months Ended June 30,		(in thousands)
Foreign exchange forward contracts	Other income (expense), net	$	(2,063	)	$	856
Interest rate cap contracts	Interest expense	(175		)	—
Six Months Ended June 30,
Foreign exchange forward contracts	Other income (expense), net	$	(3,805	)	$	1
Interest rate cap contracts	Interest expense	(301		)	—