Acquisitions Acquisitions (Schedule of Intangible Assets Acquired as Part of Business Combination) (Details) - Ruckus - USD ($) $ in Thousands	3 Months Ended
	Jul. 30, 2016	May 27, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets		$ 418,000
In Process Research and Development [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets		28,000
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		42,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	11 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		118,000
Customer relationships | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year
Customer relationships | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Core/developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		$ 230,000
Core/developed technology | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years
Core/developed technology | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years