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Income Taxes - Schedule of Changes in Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]    
Unrecognized tax benefits, beginning of period $ 1,246 $ 1,261
Increase related to tax positions taken during a prior period 44 43
Decreases related to tax positions taken during a prior period   (58)
Reductions as a result of a lapse of the applicable statute of limitations (647)  
Unrecognized tax benefits, end of period $ 643 $ 1,246