Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Stock-based Compensation - Summary of Stock Option Transactions (Details)

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Note 11 - Stock-based Compensation - Summary of Stock Option Transactions (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended 12 Months Ended
Jan. 01, 2017
Mar. 27, 2016
Balance at March 27, 2016 (in shares) 7,722,383  
Balance at March 27, 2016 (in dollars per share) $ 7.96  
Balance at March 27, 2016 (Year) 4 years 240 days 4 years 146 days
Balance at March 27, 2016 $ 16,195 $ 87
Balance at March 27, 2016 (in shares) 4,787,000 48,000
Granted (in shares) 1,466,800  
Granted (in dollars per share) $ 7.30  
Exercised (in shares) (2,045,504)  
Exercised (in dollars per share) $ 6.97  
Cancelled (in shares) (614,454)  
Cancelled (in dollars per share) $ 9.84  
Forfeited (in shares) (1,055,074)  
Forfeited (in dollars per share) $ 7.53  
Balance at January 1, 2017 (in shares) 5,474,151 7,722,383
Balance at January 1, 2017 (in dollars per share) $ 8.02 $ 7.96
Vested and expected to vest, January 1, 2017 (in shares) 4,909,103  
Vested and expected to vest, January 1, 2017 (in dollars per share) $ 8.12  
Vested and expected to vest, January 1, 2017 (Year) 4 years 182 days  
Vested and expected to vest, January 1, 2017 $ 14,140  
Vested and exercisable, January 1, 2017 (in shares) 2,491,344  
Vested and exercisable, January 1, 2017 (in dollars per share) $ 8.85  
Vested and exercisable, January 1, 2017 (Year) 3 years 69 days  
Vested and exercisable, January 1, 2017 $ 5,620