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Comprehensive Income | 9 Months Ended
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Jan. 31, 2012
Comprehensive Income [Abstract] |
Comprehensive Income |
3. | Comprehensive Income
Comprehensive income 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). Total comprehensive income is as follows:
|  | Three Months Ended January 31, |  |  | Nine Months Ended January 31, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
|  | (in thousands) |
Net income |  | $ | 11,717 |  |  | $ | 13,975 |  |  | $ | 42,275 |  |  | $ | 38,535 |
Foreign currency translation adjustments |  |  | (7,973 | ) |  |  | (185 | ) |  |  | (14,967 | ) |  |  | 3,789 |
Unrealized gains (losses) on marketable securities, net of taxes |  |  | 47 |  |  |  | (63 | ) |  |  | (42 | ) |  |  | (22 | )
Comprehensive income |  | $ | 3,791 |  |  | $ | 13,727 |  |  | $ | 27,266 |  |  | $ | 42,302 |
The components of accumulated other comprehensive income were as follows:
|  | January 31, 2012 |  |  | April 30, 2011 |
|  | (in thousands) |
Foreign currency translation adjustments |  | $ | 20,672 |  |  | $ | 35,639 |
Defined benefit pension adjustments, net of taxes |  |  | (10,014 | ) |  |  | (10,014 | )
Unrealized (losses) gains on marketable securities, net of taxes |  |  | (7 | ) |  |  | 35 |
Accumulated other comprehensive income |  | $ | 10,651 |  |  | $ | 25,660 |

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- Definition The entire disclosure for comprehensive income. Includes, but is not limited to, the following: 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. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6920433&loc=d3e998-108581 Reference 2: 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=6920043&loc=d3e689-108580 Reference 3: 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=6920043&loc=d3e637-108580 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=6920043&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 14 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e681-108580 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reclassification Adjustments -URI http://asc.fasb.org/extlink&oid=6522872 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 14-26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: 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=6920043&loc=d3e640-108580 Reference 9: 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=6959260&loc=d3e187085-122770 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6920043&loc=d3e653-108580 Reference 11: 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=6920043&loc=d3e709-108580 + Details
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