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Segment Disclosure - Net Income by Segment (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 02, 2019 USD ($) | Aug. 03, 2019 USD ($) | Oct. 27, 2018 USD ($) | Jul. 28, 2018 USD ($) | Nov. 02, 2019 USD ($) segment | Oct. 27, 2018 USD ($)
Segment Reporting Information |  |  |  |  |  |
Number of business units | segment |  |  |  |  | 5 |
Net sales | $ 174,911 |  | $ 172,692 |  | $ 355,167 | $ 326,880
Gross profit | 40,087 |  | 42,757 |  | 85,592 | 81,004
Non-allocated operating expenses: |  |  |  |  |  |
General and administrative | 8,965 |  | 8,574 |  | 18,058 | 17,111
Product design and development | 10,121 |  | 9,039 |  | 20,621 | 18,331
Operating income | 4,824 |  | 9,019 |  | 12,439 | 13,059
Nonoperating (expense) income: |  |  |  |  |  |
Interest income | 162 |  | 188 |  | 431 | 385
Interest expense | (31) |  | (2) |  | (66) | (41)
Other income (expense), net | (514) |  | (66) |  | (321) | (220)
Income before income taxes | 4,441 |  | 9,139 |  | 12,483 | 13,183
Income tax (benefit) expense | (2,833) |  | 533 |  | (1,821) | 3
Net income | 7,274 | $ 7,030 | 8,606 | $ 4,574 | 14,304 | 13,180
Operating Segments |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Net sales | 174,911 |  | 172,692 |  | 355,167 | 326,880
Gross profit | 40,087 |  | 42,757 |  | 85,592 | 81,004
Contribution Margin | 23,910 |  | 26,632 |  | 51,118 | 48,501
Depreciation and amortization |  |  |  |  |  |
Depreciation, amortization, and impairment | 4,341 |  | 4,812 |  | 8,724 | 9,300
Operating Segments | Commercial |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Net sales | 39,651 |  | 46,069 |  | 83,686 | 76,638
Gross profit | 7,862 |  | 11,757 |  | 17,080 | 18,651
Contribution Margin | 2,853 |  | 7,050 |  | 6,937 | 9,524
Depreciation and amortization |  |  |  |  |  |
Depreciation, amortization, and impairment | 895 |  | 1,236 |  | 1,869 | 2,414
Operating Segments | Live Events |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Net sales | 59,319 |  | 55,099 |  | 118,625 | 104,571
Gross profit | 11,934 |  | 12,312 |  | 24,671 | 22,545
Contribution Margin | 8,362 |  | 8,918 |  | 17,234 | 15,903
Depreciation and amortization |  |  |  |  |  |
Depreciation, amortization, and impairment | 1,394 |  | 1,334 |  | 2,792 | 2,506
Operating Segments | High School Park and Recreation |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Net sales | 30,193 |  | 31,580 |  | 60,658 | 59,700
Gross profit | 9,224 |  | 9,759 |  | 19,411 | 19,261
Contribution Margin | 5,988 |  | 6,706 |  | 12,580 | 13,258
Depreciation and amortization |  |  |  |  |  |
Depreciation, amortization, and impairment | 507 |  | 517 |  | 1,019 | 960
Operating Segments | Transportation |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Net sales | 20,330 |  | 18,077 |  | 39,348 | 35,234
Gross profit | 7,003 |  | 6,140 |  | 13,757 | 11,591
Contribution Margin | 5,895 |  | 4,991 |  | 11,347 | 9,286
Depreciation and amortization |  |  |  |  |  |
Depreciation, amortization, and impairment | 252 |  | 277 |  | 516 | 551
Operating Segments | International |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |
Net sales | 25,418 |  | 21,867 |  | 52,850 | 50,737
Gross profit | 4,064 |  | 2,789 |  | 10,673 | 8,956
Contribution Margin | 812 |  | (1,033) |  | 3,020 | 530
Depreciation and amortization |  |  |  |  |  |
Depreciation, amortization, and impairment | 563 |  | 723 |  | 1,087 | 1,423
Operating Segments | Unallocated |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |
Depreciation, amortization, and impairment | $ 730 |  | $ 725 |  | $ 1,441 | $ 1,446

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