Derivative Financial Instruments (Tables)

3 Months Ended

Dec. 28, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Notional Amounts of Outstanding Forward Contracts

As of December 28, 2013 and September 30, 2013, we had outstanding forward contracts with notional amounts equivalent to the following:

Currency Hedged	December 28, 2013		September 30, 2013
	(in thousands)
Canadian Dollar / U.S. Dollar	$	33,041	$	41,852
Euro / U.S. Dollar	61,124		50,902
Chinese Renminbi / U.S. Dollar	15,800		—
Japanese Yen / U.S. Dollar	6,247		6,496
Swiss Franc / U.S. Dollar	6,924		9,678
Israeli New Sheqel / U.S. Dollar	4,332		3,413
All other	10,676		12,093
Total	$	138,144	$	124,434

Net Gains and Losses on Foreign Currency Exposures

Net gains and losses on foreign currency exposures for the three months ended ended December 28, 2013 and December 29, 2012 were as follows:

	Three months ended
	December 28, 2013			December 29, 2012
	(in thousands)
Net losses on foreign currency exposures	$	864		$	485
Net realized and unrealized gain on forward contracts (excluding the underlying foreign currency exposure being hedged)	$	(1,628	)	$	(702	)