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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Apr. 30, 2017
Accumulated Other Comprehensive Loss [Abstract] |
Changes in Accumulated Other Comprehensive Loss by Component, Net of Tax | Changes in Accumulated Other Comprehensive Loss by component, net of tax, for the fiscal years ended April 30, 2017 and 2016 were as follows (in thousands):
| Foreign |  | Unamortized |  | Interest |  |
| Currency |  | Retirement |  | Rate |  |
| Translation |  | Costs |  | Swaps |  | Total
Balance at April 30, 2015 | $(246,854) |  | $(159,434) |  | $(345) |  | $(406,633)
Other comprehensive loss before reclassifications | (21,066) |  | (24,930) |  | (569) |  | (46,565)
Amounts reclassified from Accumulated Other Comprehensive loss | - |  | 4,959 |  | 553 |  | 5,512
Total other comprehensive loss | (21,066) |  | (19,971) |  | (16) |  | (41,053)
Balance at April 30, 2016 | $(267,920) |  | $(179,405) |  | $(361) |  | $(447,686)
Other comprehensive (loss) income before reclassifications | (51,292) |  | (18,458) |  | 2,735 |  | (67,015)
Amounts reclassified from Accumulated Other Comprehensive loss | - |  | 7,361 |  | 53 |  | 7,414
Total other comprehensive (loss) income | (51,292) |  | (11,097) |  | 2,788 |  | (59,601)
Balance at April 30, 2017 | $(319,212) |  | $(190,502) |  | $2,427 |  | $(507,287)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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