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Stock-Based Compensation (Tables) | 12 Months Ended
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Apr. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule Of Weighted Average Assumptions And Valuation Of Stock Options | The weighted-average assumptions and valuation of the Company’s stock options were as follows:
| FISCAL YEARS ENDED APRIL 30
| 2016 |  | 2015 |  | 2014
Weighted-average fair value of grants | $ | 18.59 |  |  | $ | 9.25 |  |  | $ | 14.46 |
Expected volatility | 29.8 | % |  | 27.4 | % |  | 38.2 | %
Expected term in years | 5.8 |  |  | 5.9 |  |  | 6.1 |
Risk-free interest rate | 2.16 | % |  | 2.19 | % |  | 1.59 | %
Expected dividend yield | — | % |  | — | % |  | — | %
Schedule Of Stock Option Activity | The following table presents a summary of the Company’s stock option activity for the fiscal years ended April 30, 2016, 2015 and 2014 (remaining contractual term in years and exercise prices are weighted-averages):
| NUMBER OF OPTIONS |  | REMAINING CONTRACTUAL TERM |  | WEIGHTED AVERAGE EXERCISE PRICE |  | AGGREGATE INTRINSIC VALUE (in thousands)
Outstanding at April 30, 2013 | 1,401,813 |  |  | 4.8 |  | $27.27 |  | $ | 9,272 |
Granted | 60,500 |  |  | 9.1 |  | 36.74 |  | — |
Exercised | (551,485 | ) |  | — |  | 26.61 |  | 5,156 |
Cancelled or expired | (59,514 | ) |  | — |  | 30.17 |  | — |
Outstanding at April 30, 2014 | 851,314 |  |  | 4.3 |  | $28.16 |  | $ | 3,121 |
Granted | 66,600 |  |  | 9.1 |  | 29.92 |  | — |
Exercised | (508,639 | ) |  | — |  | 28.05 |  | 7,209 |
Cancelled or expired | (11,200 | ) |  | — |  | 32.64 |  | — |
Outstanding at April 30, 2015 | 398,075 |  |  | 5.0 |  | $28.46 |  | $ | 8,851 |
Granted | 30,700 |  |  | 9.1 |  | 57.11 |  | — |
Exercised | (287,975 | ) |  | — |  | 27.99 |  | 11,089 |
Cancelled or expired | (14,167 | ) |  | — |  | 40.43 |  | — |
Outstanding at April 30, 2016 | 126,633 |  |  | 5.8 |  | $35.15 |  | $ | 4,773 |
Vested and expected to vest in the future at April 30, 2016 | 120,715 |  |  | 5.7 |  | $34.97 |  | $ | 4,572 |
Exercisable at April 30, 2016 | 46,599 |  |  | 1.7 |  | $26.72 |  | $ | 2,149 |
Schedule Of Stock Options Oustanding Activity | The following table summarizes information about stock options outstanding at April 30, 2016 (remaining lives in years and exercise prices are weighted-averages):
| OPTIONS OUTSTANDING |  | OPTIONS EXERCISABLE
OPTION PRICE |  |  | REMAINING |  | EXERCISE |  |  |  | EXERCISE
PER SHARE | OPTIONS |  | LIFE |  | PRICE |  | OPTIONS |  | PRICE
$22.77-$23.96 | 27,900 |  |  | 2.2 |  | $23.32 |  | 27,900 |  |  | $23.32
$29.92-$34.11 | 57,766 |  |  | 5.8 |  | 30.52 |  | 18,633 |  |  | 31.79
$36.74-$36.74 | 14,867 |  |  | 7.1 |  | 36.74 |  | 66 |  |  | 36.74
$57.11-$57.11 | 26,100 |  |  | 9.1 |  | 57.11 |  | — |  |  | —
| 126,633 |  |  |  |  |  |  | 46,599 |  |  |
Summary Of RSU's Activity | The following table contains a summary of the Company’s RSU activity for the fiscal years ended April 30, 2016, 2015 and 2014:
| PERFORMANCE-BASED RSUs |  | SERVICE-BASED RSUs |  | TOTAL RSUs |  | WEIGHTED AVERAGE GRANT DATE FAIR VALUE
Issued and outstanding, April 30, 2013 | 279,105 |  |  | 155,000 |  |  | 434,105 |  |  | $17.96
Granted | 75,600 |  |  | 44,092 |  |  | 119,692 |  |  | $36.09
Cancelled due to non-achievement of performance goals | (23,384 | ) |  | — |  |  | (23,384 | ) |  | $17.62
Settled in common stock | (74,935 | ) |  | (60,310 | ) |  | (135,245 | ) |  | $19.75
Forfeited | (20,591 | ) |  | (15,407 | ) |  | (35,998 | ) |  | $23.12
Issued and outstanding, April 30, 2014 | 235,795 |  |  | 123,375 |  |  | 359,170 |  |  | $22.79
Granted | 79,500 |  |  | 40,100 |  |  | 119,600 |  |  | $30.82
Cancelled due to non-achievement of performance goals | (16,218 | ) |  | — |  |  | (16,218 | ) |  | $36.18
Settled in common stock | (79,407 | ) |  | (54,861 | ) |  | (134,268 | ) |  | $17.45
Forfeited | (8,726 | ) |  | (4,764 | ) |  | (13,490 | ) |  | $27.78
Issued and outstanding, April 30, 2015 | 210,944 |  |  | 103,850 |  |  | 314,794 |  |  | $27.15
Granted | 48,201 |  |  | 22,349 |  |  | 70,550 |  |  | $57.83
Cancelled due to non-achievement of performance goals | (19,657 | ) |  | — |  |  | (19,657 | ) |  | $29.92
Settled in common stock | (89,665 | ) |  | (46,950 | ) |  | (136,615 | ) |  | $19.57
Forfeited | (9,056 | ) |  | (3,537 | ) |  | (12,593 | ) |  | $40.99
Issued and outstanding, April 30, 2016 | 140,767 |  |  | 75,712 |  |  | 216,479 |  |  | $40.88
Stock-Based Compensation Expense Allocated | For the fiscal years ended April 30, 2016, 2015 and 2014 stock-based compensation expense was allocated as follows:
(in thousands) | 2016 |  | 2015 |  | 2014
Cost of sales and distribution | $ | 608 |  |  | $ | 518 |  |  | $ | 505 |
Selling and marketing expenses | 1,079 |  |  | 954 |  |  | 801 |
General and administrative expenses | 1,922 |  |  | 2,025 |  |  | 1,989 |
Stock-based compensation expense, before income taxes | $ | 3,609 |  |  | $ | 3,497 |  |  | $ | 3,295 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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