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Restructuring Charges, Activity for Restructuring and Reinvestment Program Liability (Details) - USD ($) $ in Thousands | 12 Months Ended | 60 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2017
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |
Charges | $ 13,355 | $ 28,611 | $ 28,804 |
Restructuring and Reinvestment Program [Member] |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |
Restructuring liability, beginning of period | 28,509 |  |  |
Charges | 13,355 | 28,611 | 28,804 | $ 137,944
Payments | (22,854) |  |  |
Foreign translation & reclassification | 3,780 |  |  |
Restructuring liability, end of period | 22,790 | 28,509 |  | 22,790
Restructuring and Reinvestment Program [Member] | Severance [Member] |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |
Restructuring liability, beginning of period | 16,657 |  |  |
Charges | 8,386 | 16,443 | 17,093 | 87,590
Payments | (14,116) |  |  |
Foreign translation & reclassification | (845) |  |  |
Restructuring liability, end of period | 10,082 | 16,657 |  | 10,082
Restructuring and Reinvestment Program [Member] | Process Reengineering Consulting [Member] |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |
Restructuring liability, beginning of period | 0 |  |  |
Charges | 148 | 7,191 | 301 | 18,814
Payments | (148) |  |  |
Foreign translation & reclassification | 0 |  |  |
Restructuring liability, end of period | 0 | 0 |  | 0
Restructuring and Reinvestment Program [Member] | Other Activities [Member] |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |
Restructuring liability, beginning of period | 11,852 |  |  |
Charges | 4,821 | 4,977 | $ 11,410 | 31,540
Payments | (8,590) |  |  |
Foreign translation & reclassification | 4,625 |  |  |
Restructuring liability, end of period | 12,708 | $ 11,852 |  | 12,708
Restructuring and Reinvestment Program [Member] | Other Activities [Member] | Other Accrued Liabilities [Member] |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |
Restructuring liability, end of period | 2,700 |  |  | 2,700
Restructuring and Reinvestment Program [Member] | Other Activities [Member] | Other Long-Term Liabilities [Member] |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |
Restructuring liability, end of period | $ 10,000 |  |  | $ 10,000

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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