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Restructuring Charges, Activity for Restructuring and Reinvestment Program Liability (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 69 Months Ended
--- | --- | --- | ---
Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2018
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |  |
Restructuring charges | $ 2,208 | $ 9,118 | $ 26,531 | $ 15,045 |
Payments |  |  | (26,345) | (15,740) |
Restructuring and Reinvestment Program [Member] |  |  |  |  |
Activity for Restructuring and Reinvestment Program liability [Roll Forward] |  |  |  |  |
Restructuring liability, beginning of period |  |  | 22,790 |  |
Restructuring charges | 2,208 | 9,118 | 26,531 | 15,045 | $ 164,475
Payments |  |  | (26,345) |  |
Foreign translation & reclassifications |  |  | (1,144) |  |
Restructuring liability, end of period | 21,832 |  | 21,832 |  | 21,832
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 | 1,781 | 3,420 | 25,047 | 7,999 | 112,637
Payments |  |  | (17,435) |  |
Foreign translation & reclassifications |  |  | 732 |  |
Restructuring liability, end of period | 18,426 |  | 18,426 |  | 18,426
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 | 427 | 10 | 1,948 | 16 | 20,762
Payments |  |  | (1,749) |  |
Foreign translation & reclassifications |  |  | 0 |  |
Restructuring liability, end of period | 199 |  | 199 |  | 199
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 | 0 | $ 5,688 | (464) | $ 7,030 | 31,076
Payments |  |  | (7,161) |  |
Foreign translation & reclassifications |  |  | (1,876) |  |
Restructuring liability, end of period | 3,207 |  | 3,207 |  | 3,207
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 | 1,000 |  | 1,000 |  | 1,000
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 | $ 2,200 |  | $ 2,200 |  | $ 2,200

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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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