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Financial Instruments (Details Textual 1) - USD ($)
$ in Millions
Mar. 31, 2018
Apr. 01, 2017
Schedule of Available-for-sale Securities [Line Items]    
Short-term investments $ 699.4 $ 684.7
Non-current investments 86.2 21.4
Bank Time Deposits [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Short-term investments 480.2 684.7
Non-current investments 86.2 $ 21.4
Commercial Paper [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Short-term investments $ 219.2