Commitments (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Apr. 02, 2011
Loss Contingencies [Line Items]
Aggregate future rental income to be received	$ 3.4
Rent expense, net of rental income	3.9	3.1	4.9
Other commitments	96.2
Non-cancelable license obligations	13.0
Maximum future commitment to acquire licenses to intellectual property until July 2023	$ 5.0
Minimum [Member]
Loss Contingencies [Line Items]
Purchase Commitments, Period for Payment	3 months
Maximum [Member]
Loss Contingencies [Line Items]
Purchase Commitments, Period for Payment	6 months