Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table details financial assets and liabilities measured and recorded at fair value on a recurring basis:

		As of June 30, 2016
(in thousands)	Balance Sheet Classification	Level 1		Level 2			Level 3		Total
Assets
Foreign currency exchange contracts	Other current assets	$	—	$	82,764		$	—	$	82,764
Liabilities
Foreign currency exchange contracts	Other current liabilities	$	—	$	(66,042	)	$	—	$	(66,042	)

		As of December 31, 2015
(in thousands)	Balance Sheet Classification	Level 1		Level 2			Level 3		Total
Assets
Foreign currency exchange contracts	Other current assets	$	—	$	37,034		$	—	$	37,034
Liabilities
Foreign currency exchange contracts	Other current liabilities	$	—	$	(25,891	)	$	—	$	(25,891	)