Derivatives (Table 1 & 2) (Details) (USD $) In Thousands, unless otherwise specified	Aug. 03, 2013
Euro [Member]
Outstanding foreign exchange forward contracts
Notional Amount of outstanding foreign exchange forward contracts	$ 104,456	[1]
Notional Amount of outstanding foreign exchange forward contracts not designated as hedge	29,662	[1]
British Pound [Member]
Outstanding foreign exchange forward contracts
Notional Amount of outstanding foreign exchange forward contracts	43,808	[1]
Swiss Franc [Member]
Outstanding foreign exchange forward contracts
Notional Amount of outstanding foreign exchange forward contracts not designated as hedge	17,098	[1]
Canadian Dollar [Member]
Outstanding foreign exchange forward contracts
Notional Amount of outstanding foreign exchange forward contracts	$ 12,428	[1]

[1] Amounts are reported in thousands and in U.S. Dollar equivalent as of August 3, 2013.