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Income Taxes - Income Tax Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Apr. 30, 2017
Jan. 29, 2017
Oct. 30, 2016
Jul. 31, 2016
May 01, 2016
Jan. 31, 2016
Nov. 01, 2015
Aug. 02, 2015
Apr. 30, 2017
May 01, 2016
May 03, 2015
current                      
federal                 $ 109    
state                 13 $ 6 $ (7)
foreign                 5,981 6,765 4,713
foreign - reversal of uncertain tax position                 (3,431)    
current income tax expense                 2,672 6,771 4,706
deferred                      
federal                 404 (1,205) (849)
state                 54 305 (52)
undistributed earnings - foreign subsidiaries                 (101) (1,129) (260)
U.S. operating loss carryforwards                 3,630 5,467 4,487
foreign                 734 1,086 (92)
valuation allowance                 (54) (332) (55)
deferred income tax expense                 4,667 4,192 3,179
income tax expense $ 778 $ 643 $ 2,684 $ 3,233 $ 3,566 $ 2,317 $ 2,373 $ 2,707 $ 7,339 $ 10,963 $ 7,885