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Segment Disclosure - Net Income by Segment (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Jul. 27, 2013 segment | Jul. 28, 2012
Segment Reporting Information |  |
Number of business units | 5 |
Net sales | $ 138,722 | $ 132,919
Contribution margin | 21,884 | 23,310
Depreciation and amortization |  |
Depreciation and amortization | 3,822 | 3,876
Non-allocated operating expenses: |  |
General and administrative | 7,299 | 6,581
Product design and development | 5,989 | 6,021
Operating income | 8,596 | 10,708
Nonoperating income (expense): |  |
Interest income | 343 | 431
Interest expense | (115) | (87)
Other (expense) income, net | (392) | (180)
Income before income taxes | 8,432 | 10,872
Income tax expense | 2,712 | 4,194
Net income | 5,720 | 6,678
Commerical |  |
Segment Reporting Information |  |
Net sales | 33,701 | 38,356
Contribution margin | 5,944 | 6,202
Depreciation and amortization |  |
Depreciation and amortization | 1,052 | 1,280
Live Events |  |
Segment Reporting Information |  |
Net sales | 55,077 | 44,509
Contribution margin | 8,342 | 7,076
Depreciation and amortization |  |
Depreciation and amortization | 1,147 | 1,104
Schools & Theatres |  |
Segment Reporting Information |  |
Net sales | 17,917 | 18,174
Contribution margin | 3,148 | 2,577
Depreciation and amortization |  |
Depreciation and amortization | 546 | 576
Transportation |  |
Segment Reporting Information |  |
Net sales | 13,042 | 16,596
Contribution margin | 2,145 | 5,979
Depreciation and amortization |  |
Depreciation and amortization | 286 | 324
International |  |
Segment Reporting Information |  |
Net sales | 18,985 | 15,284
Contribution margin | 2,305 | 1,476
Depreciation and amortization |  |
Depreciation and amortization | 236 | 137
Unallocated |  |
Depreciation and amortization |  |
Depreciation and amortization | $ 555 | $ 455

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