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Comprehensive Income (Loss) | 12 Months Ended
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Apr. 30, 2017
Comprehensive Income (Loss) | 3. Comprehensive Income (Loss) Comprehensive income (loss) is comprised of net income and all changes to stockholders’ equity, except those changes resulting from investments by stockholders (changes in paid-in capital) and distributions to stockholders (dividends) and is reported in the accompanying consolidated statements of comprehensive income. Accumulated comprehensive loss, net of taxes, is recorded as a component of stockholders’ equity. The components of accumulated other comprehensive loss were as follows:
|  | April 30, |
|  | 2017 |  |  | 2016 |
|  | (in thousands) |
Foreign currency translation adjustments |  | $ | (55,359 | ) |  | $ | (36,339 | )
Deferred compensation and pension plan adjustments, net of taxes |  |  | (15,127 | ) |  |  | (21,572 | )
Interest rate swap unrealized loss, net of taxes |  |  | (578 | ) |  |  | — |
Accumulated other comprehensive loss, net |  | $ | (71,064 | ) |  | $ | (57,911 | )
The following table summarizes the changes in each component of accumulated other comprehensive (loss) income:
|  | Foreign Currency Translation |  |  | Deferred Compensation and Pension Plan (1) |  |  | Unrealized Gains (Losses) on Marketable Securities |  |  | Unrealized losses on interest rate swap (2) |  |  | Accumulated Other Comprehensive Income (Loss) |
|  | (in thousands) |
Balance as of May 1, 2014 |  | $ | 15,604 |  |  | $ | (18,006 | ) |  | $ | 14 |  |  | $ | — |  |  | $ | (2,388 | )
Unrealized losses arising during the period |  |  | (36,523 | ) |  |  | (3,589 | ) |  |  | (10 | ) |  |  | — |  |  |  | (40,122 | )
Reclassification of realized net losses to net income |  |  | — |  |  |  | 1,887 |  |  |  | — |  |  |  | — |  |  |  | 1,887 |
Balance as of April 30, 2015 |  |  | (20,919 | ) |  |  | (19,708 | ) |  |  | 4 |  |  |  | — |  |  |  | (40,623 | )
Unrealized losses arising during the period |  |  | (15,420 | ) |  |  | (3,653 | ) |  |  | (4 | ) |  |  | — |  |  |  | (19,077 | )
Reclassification of realized net losses to net income |  |  | — |  |  |  | 1,789 |  |  |  | — |  |  |  | — |  |  |  | 1,789 |
Balance as of April 30, 2016 |  |  | (36,339 | ) |  |  | (21,572 | ) |  |  | — |  |  |  | — |  |  |  | (57,911 | )
Unrealized (losses) gains arising during the period |  |  | (19,020 | ) |  |  | 4,584 |  |  |  | — |  |  |  | (635 | ) |  |  | (15,071 | )
Reclassification of realized net losses to net income |  |  | — |  |  |  | 1,861 |  |  |  | — |  |  |  | 57 |  |  |  | 1,918 |
Balance as of April 30, 2017 |  | $ | (55,359 | ) |  | $ | (15,127 | ) |  | $ | — |  |  | $ | (578 | ) |  | $ | (71,064 | )
(1) | The tax effects on unrealized gains (losses) were $1.9 million, $(2.3) million and $(2.3) million as of April 30, 2017, 2016 and 2015, respectively. The tax effects on reclassifications of realized net losses were $1.2 million, $1.1 million and $1.2 million as of April 30, 2017, 2016 and 2015, respectively.
(2) | The tax effects on unrealized (losses) were $(0.4) million as of April 30, 2017.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e716-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e709-108580 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reclassification Adjustments -URI http://asc.fasb.org/extlink&oid=6522872 + Details
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