Note 12 - Stock-Based Compensation (Details) - Unrecognized Stock-Based Compensation Expense Related to Stock Options and RSUs (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 29, 2014
Note 12 - Stock-Based Compensation (Details) - Unrecognized Stock-Based Compensation Expense Related to Stock Options and RSUs [Line Items]
Amount	$ 17,487
Employee Stock Option [Member]
Note 12 - Stock-Based Compensation (Details) - Unrecognized Stock-Based Compensation Expense Related to Stock Options and RSUs [Line Items]
Amount	9,349
Weighted Average Expected Remaining Period	2 years 6 months
Performance Shares [Member]
Note 12 - Stock-Based Compensation (Details) - Unrecognized Stock-Based Compensation Expense Related to Stock Options and RSUs [Line Items]
Amount	606
Weighted Average Expected Remaining Period	2 years
Restricted Stock Units (RSUs) [Member]
Note 12 - Stock-Based Compensation (Details) - Unrecognized Stock-Based Compensation Expense Related to Stock Options and RSUs [Line Items]
Amount	5,650
Weighted Average Expected Remaining Period	2 years 73 days
Performance-Based RSUs [Member]
Note 12 - Stock-Based Compensation (Details) - Unrecognized Stock-Based Compensation Expense Related to Stock Options and RSUs [Line Items]
Amount	$ 1,882
Weighted Average Expected Remaining Period	2 years 109 days