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Restructuring Charges, Activity for Restructuring and Reinvestment Program Liability (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 66 Months Ended
--- | --- | --- | ---
Oct. 31, 2017 | Oct. 31, 2016 | Oct. 31, 2017 | Oct. 31, 2016 | Oct. 31, 2017
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |  |
Restructuring charges | $ (1,406) | $ 6,847 | $ 24,323 | $ 5,927 |
Payments |  |  | (20,739) | (10,770) |
Restructuring and Reinvestment Program [Member] |  |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |  |
Restructuring liability, beginning of period |  |  | 22,790 |  |
Restructuring charges | (1,406) | 6,847 | 24,323 | 5,927 | $ 162,267
Payments |  |  | (20,739) |  |
Foreign translation & reclassifications |  |  | (1,680) |  |
Restructuring liability, end of period | 24,694 |  | 24,694 |  | 24,694
Restructuring and Reinvestment Program [Member] | Severance [Member] |  |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |  |
Restructuring liability, beginning of period |  |  | 10,082 |  |
Restructuring charges | (1,455) | 4,322 | 23,266 | 4,579 | 110,856
Payments |  |  | (12,739) |  |
Foreign translation & reclassifications |  |  | 345 |  |
Restructuring liability, end of period | 20,954 |  | 20,954 |  | 20,954
Restructuring and Reinvestment Program [Member] | Process Reengineering Consulting [Member] |  |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |  |
Restructuring liability, beginning of period |  |  | 0 |  |
Restructuring charges | 0 | 0 | 1,521 | 7 | 20,335
Payments |  |  | (1,320) |  |
Foreign translation & reclassifications |  |  | 0 |  |
Restructuring liability, end of period | 201 |  | 201 |  | 201
Restructuring and Reinvestment Program [Member] | Other Activities [Member] |  |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |  |
Restructuring liability, beginning of period |  |  | 12,708 |  |
Restructuring charges | 49 | $ 2,525 | (464) | $ 1,341 | 31,076
Payments |  |  | (6,680) |  |
Foreign translation & reclassifications |  |  | (2,025) |  |
Restructuring liability, end of period | 3,539 |  | 3,539 |  | 3,539
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 | 2,200 |  | 2,200 |  | 2,200
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 | $ 1,300 |  | $ 1,300 |  | $ 1,300

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: 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 + Details
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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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