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v2.4.0.8

Segment Information - Segment Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2014 | Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2012 | Jul. 31, 2012 | Apr. 30, 2014 | Apr. 30, 2013 | Apr. 30, 2012
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers | $ 27,052,000 | $ 26,013,000 | $ 26,098,000 | $ 32,003,000 | $ 31,803,000 | $ 27,450,000 | $ 31,185,000 | $ 26,683,000 | $ 111,166,000 | $ 117,121,000 | $ 102,847,000
Intersegment revenues |  |  |  |  |  |  |  |  | 0 |  |
Depreciation |  |  |  |  |  |  |  |  | 2,549,000 | 2,653,000 | 2,664,000
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  | 5,986,000 | 5,221,000 | 2,539,000
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 1,983,000 | 1,540,000 | 739,000
Net earnings attributable to noncontrolling interest | 36,000 | 21,000 | 21,000 | 30,000 | 187,000 | 238,000 | 158,000 | 54,000 | 108,000 | 637,000 | 769,000
Net earnings (loss) attributable to Kewaunee Scientific Corporation | 979,000 | 604,000 | 725,000 | 1,587,000 | 1,217,000 | 544,000 | 649,000 | 634,000 | 3,895,000 | 3,044,000 | 1,031,000
Segment assets | 62,717,000 |  |  |  | 68,742,000 |  |  |  | 62,717,000 | 68,742,000 | 63,361,000
Expenditures for segment assets |  |  |  |  |  |  |  |  | 2,021,000 | 2,405,000 | 1,435,000
Revenues (excluding intersegment) to customers in foreign countries |  |  |  |  |  |  |  |  | 20,529,000 | 24,544,000 | 20,593,000
Corporate [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers |  |  |  |  |  |  |  |  | 0 |  |
Intersegment revenues |  |  |  |  |  |  |  |  | (5,833,000) | (9,165,000) | (8,341,000)
Depreciation |  |  |  |  |  |  |  |  | 0 |  |
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  | (4,003,000) | (4,309,000) | (3,333,000)
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (1,354,000) | (1,271,000) | (1,389,000)
Net earnings attributable to noncontrolling interest |  |  |  |  |  |  |  |  | 0 |  |
Net earnings (loss) attributable to Kewaunee Scientific Corporation |  |  |  |  |  |  |  |  | (2,649,000) | (3,038,000) | (1,944,000)
Segment assets | 0 |  |  |  |  |  |  |  | 0 |  |
Expenditures for segment assets |  |  |  |  |  |  |  |  | 0 |  |
Revenues (excluding intersegment) to customers in foreign countries |  |  |  |  |  |  |  |  | 0 |  |
Domestic Operations [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers |  |  |  |  |  |  |  |  | 91,750,000 | 93,519,000 | 83,971,000
Intersegment revenues |  |  |  |  |  |  |  |  | 3,378,000 | 6,722,000 | 5,290,000
Depreciation |  |  |  |  |  |  |  |  | 2,432,000 | 2,523,000 | 2,513,000
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  | 7,386,000 | 6,908,000 | 3,400,000
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 2,482,000 | 2,025,000 | 1,349,000
Net earnings attributable to noncontrolling interest |  |  |  |  |  |  |  |  | 0 |  |
Net earnings (loss) attributable to Kewaunee Scientific Corporation |  |  |  |  |  |  |  |  | 4,904,000 | 4,883,000 | 2,051,000
Segment assets | 47,890,000 |  |  |  | 52,252,000 |  |  |  | 47,890,000 | 52,252,000 | 49,373,000
Expenditures for segment assets |  |  |  |  |  |  |  |  | 1,822,000 | 2,314,000 | 1,395,000
Revenues (excluding intersegment) to customers in foreign countries |  |  |  |  |  |  |  |  | 1,113,000 | 942,000 | 1,717,000
International Operations [Member] | Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers |  |  |  |  |  |  |  |  | 19,416,000 | 23,602,000 | 18,876,000
Intersegment revenues |  |  |  |  |  |  |  |  | 2,455,000 | 2,443,000 | 3,051,000
Depreciation |  |  |  |  |  |  |  |  | 117,000 | 130,000 | 151,000
Earnings (loss) before income taxes |  |  |  |  |  |  |  |  | 2,603,000 | 2,622,000 | 2,472,000
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 855,000 | 786,000 | 779,000
Net earnings attributable to noncontrolling interest |  |  |  |  |  |  |  |  | 108,000 | 637,000 | 769,000
Net earnings (loss) attributable to Kewaunee Scientific Corporation |  |  |  |  |  |  |  |  | 1,640,000 | 1,199,000 | 924,000
Segment assets | 14,827,000 |  |  |  | 16,490,000 |  |  |  | 14,827,000 | 16,490,000 | 13,988,000
Expenditures for segment assets |  |  |  |  |  |  |  |  | 199,000 | 91,000 | 40,000
Revenues (excluding intersegment) to customers in foreign countries |  |  |  |  |  |  |  |  | $ 19,416,000 | $ 23,602,000 | $ 18,876,000

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