Derivatives - Contracts Held (Details) - Not Designated as Hedging Instrument [Member] - Foreign Exchange Forward [Member]		6 Months Ended	12 Months Ended
		Jun. 30, 2016 USD ($) ¥ / $ $ / € $ / BRL	Dec. 31, 2015 USD ($) ¥ / $ $ / € BRL / $ $ / BRL
Chinese Yuan Renminbi [Member]
Derivative [Line Items]
Notional value		$ 20,000,000	$ 22,500,000.0
Forward Rate | ¥ / $		6.7391	6.2565
Unrealized gain/(loss) recorded at balance sheet date	[1]	$ 186,000	$ (1,100,000)
Future Contract One [Member] | Euro Member Countries, Euro [Member]
Derivative [Line Items]
Notional value		$ 13,000,000	$ 7,000,000.0
Forward Rate | $ / €		1.1262	1.0864
Unrealized gain/(loss) recorded at balance sheet date	[1]	$ 202,000	$ (7,000)
Future Contract One [Member] | Brazil, Brazil Real [Member]
Derivative [Line Items]
Notional value		$ 2,000,000	$ 1,000,000.0
Forward Rate		3.5907	3.7461
Unrealized gain/(loss) recorded at balance sheet date	[1]	$ (230,000)	$ (57,000)
Future Contract Two [Member] | Brazil, Brazil Real [Member]
Derivative [Line Items]
Notional value			$ 3,000,000.0
Forward Rate | $ / BRL			3.9503
Unrealized gain/(loss) recorded at balance sheet date	[1]		$ 18,000

[1] ains on foreign currency exchange contracts are recorded in prepaid expenses and other current assets. Unrealized losses on foreign currency exchange contracts are recorded in other accrued expenses.