Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Fair value of Net Derivative Assets (Liabilities)

The fair values of derivative assets and liabilities, which are reported within 'Accrued expenses and other liabilities' in the consolidated balance sheets were:

	December 31, 2016						December 31, 2015
	Derivative Assets			Derivative Liabilities			Derivative Assets		Derivative Liabilities
	(in thousands)
Forward foreign exchange contracts
Level 1	$	—		$	—		$	—	$	—
Level 2	6,541			(6,698		)	—		(55		)
Level 3	—			—			—		—
	6,541			(6,698		)	—		(55		)
Netting of counterparty contracts	(6,541		)	6,541			—		—
Foreign exchange derivative liabilities	$	—		$	(157	)	$	—	$	(55	)

Summary of Derivative Financial Instruments Notional Amounts on Outstanding Positions

The notional amounts of outstanding foreign currency forward exchange contracts shown below report the total U.S. Dollar equivalent position of all contracts for each foreign currency position.

	December 31, 2016					December 31, 2015
	Notional		Fair Value			Notional		Fair Value
Singapore Dollar	$	94,763	$	(2,611	)	$	—	$	—
Japanese Yen	87,171		4,180			98,390		—
Euro	71,228		(1,441		)	34,219		—
British Pound Sterling	14,332		(660		)	21,859		—
Other currencies	60,727		375			39,923		(55		)
	$	328,221	$	(157	)	$	194,391	$	(55	)
Latest maturity date	January 2017					January 2016

Summary of Gain/Loss on Derivative Instruments

	December 31, 2016					December 31, 2015
	Notional		Fair Value			Notional		Fair Value
Singapore Dollar	$	94,763	$	(2,611	)	$	—	$	—
Japanese Yen	87,171		4,180			98,390		—
Euro	71,228		(1,441		)	34,219		—
British Pound Sterling	14,332		(660		)	21,859		—
Other currencies	60,727		375			39,923		(55		)
	$	328,221	$	(157	)	$	194,391	$	(55	)
Latest maturity date	January 2017					January 2016

Amounts reported within 'Foreign currency loss, net' in the consolidated statements of operations include both realized and unrealized gains/losses from foreign currency transactions and derivative contracts, and are as follows:

	Year Ended December 31,
	2016			2015			2014
	(in thousands)
Foreign currency transaction gain (loss)	$	10,814		$	3,980		$	(1,097	)
Foreign currency loss on foreign currency forward contracts	(13,268		)	(7,312		)	(3,788		)
Foreign currency loss, net	$	(2,454	)	$	(3,332	)	$	(4,885	)