XML 86 R72.htm IDEA: XBRL DOCUMENT v3.7.0.1
Commitments - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Mar. 25, 2017
Mar. 26, 2016
Mar. 28, 2015
Commitments and Contingencies Disclosure [Abstract]      
Rent expense $ 23.2 $ 21.8 $ 23.4
Contingent rent expense $ 0.8 $ 0.5 $ 0.7