Investments - Non-Marketable Equity Securities (Details) - USD ($) $ in Millions	Apr. 03, 2016	Mar. 29, 2015
Non-marketable equity securities [Abstract]
Purchase of common stock of a privately-held company	$ 10.0	$ 4.0
Convertible Debt Securities
Non-marketable equity securities [Abstract]
Purchase of common stock of a privately-held company	2.0
Preferred Shares
Non-marketable equity securities [Abstract]
Purchase of common stock of a privately-held company	$ 4.0