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Segment Disclosure - Net Income by Segment (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 01, 2020 USD ($) | Nov. 02, 2019 USD ($) | Aug. 03, 2019 USD ($) | Jan. 26, 2019 USD ($) | Oct. 27, 2018 USD ($) | Jul. 28, 2018 USD ($) | Feb. 01, 2020 USD ($) segment | Jan. 26, 2019 USD ($)
Segment Reporting Information |  |  |  |  |  |  |  |
Number of business units | segment |  |  |  |  |  |  | 5 |
Net sales | $ 127,657 |  |  | $ 115,069 |  |  | $ 482,824 | $ 441,949
Gross profit | 24,482 |  |  | 24,869 |  |  | 110,074 | 105,873
Non-allocated operating expenses: |  |  |  |  |  |  |  |
General and administrative | 8,640 |  |  | 8,574 |  |  | 26,698 | 25,685
Product design and development | 8,442 |  |  | 8,280 |  |  | 29,063 | 26,611
Operating income | (9,152) |  |  | (7,522) |  |  | 3,287 | 5,537
Nonoperating (expense) income: |  |  |  |  |  |  |  |
Interest income | 233 |  |  | 328 |  |  | 664 | 713
Interest expense | 13 |  |  | (45) |  |  | (53) | (86)
Other income (expense), net | (331) |  |  | (203) |  |  | (652) | (423)
(Loss) income before income taxes | (9,237) |  |  | (7,442) |  |  | 3,246 | 5,741
Income tax expense (benefit) | 3,497 |  |  | (4,123) |  |  | 1,676 | (4,120)
Net (loss) income | (12,734) | $ 7,274 | $ 7,030 | (3,319) | $ 8,606 | $ 4,574 | 1,570 | 9,861
Operating Segments |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Net sales | 127,657 |  |  | 115,069 |  |  | 482,824 | 441,949
Gross profit | 24,482 |  |  | 24,869 |  |  | 110,074 | 105,873
Contribution Margin | 7,930 |  |  | 9,332 |  |  | 59,048 | 57,833
Depreciation and amortization |  |  |  |  |  |  |  |
Depreciation, amortization, and impairment | 4,473 |  |  | 4,754 |  |  | 13,197 | 14,054
Operating Segments | Commercial |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Net sales | 36,880 |  |  | 37,159 |  |  | 120,566 | 113,797
Gross profit | 5,399 |  |  | 8,942 |  |  | 22,479 | 27,593
Contribution Margin | 820 |  |  | 4,460 |  |  | 7,757 | 13,984
Depreciation and amortization |  |  |  |  |  |  |  |
Depreciation, amortization, and impairment | 930 |  |  | 1,206 |  |  | 2,799 | 3,620
Operating Segments | Live Events |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Net sales | 40,571 |  |  | 29,995 |  |  | 159,196 | 134,566
Gross profit | 7,815 |  |  | 3,950 |  |  | 32,486 | 26,495
Contribution Margin | 4,055 |  |  | 347 |  |  | 21,289 | 16,250
Depreciation and amortization |  |  |  |  |  |  |  |
Depreciation, amortization, and impairment | 1,395 |  |  | 1,332 |  |  | 4,187 | 3,838
Operating Segments | High School Park and Recreation |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Net sales | 14,775 |  |  | 14,798 |  |  | 75,433 | 74,498
Gross profit | 3,184 |  |  | 2,736 |  |  | 22,595 | 21,997
Contribution Margin | (277) |  |  | (384) |  |  | 12,303 | 12,874
Depreciation and amortization |  |  |  |  |  |  |  |
Depreciation, amortization, and impairment | 501 |  |  | 503 |  |  | 1,520 | 1,463
Operating Segments | Transportation |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Net sales | 13,916 |  |  | 15,390 |  |  | 53,264 | 50,624
Gross profit | 4,316 |  |  | 5,880 |  |  | 18,073 | 17,471
Contribution Margin | 3,258 |  |  | 4,959 |  |  | 14,605 | 14,245
Depreciation and amortization |  |  |  |  |  |  |  |
Depreciation, amortization, and impairment | 255 |  |  | 279 |  |  | 771 | 830
Operating Segments | International |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |
Net sales | 21,515 |  |  | 17,727 |  |  | 74,365 | 68,464
Gross profit | 3,768 |  |  | 3,361 |  |  | 14,441 | 12,317
Contribution Margin | 74 |  |  | (50) |  |  | 3,094 | 480
Depreciation and amortization |  |  |  |  |  |  |  |
Depreciation, amortization, and impairment | 646 |  |  | 766 |  |  | 1,733 | 2,189
Operating Segments | Unallocated |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |
Depreciation, amortization, and impairment | $ 746 |  |  | $ 668 |  |  | $ 2,187 | $ 2,114

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