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Restructuring and Other Charges (Schedule of restructuring charges reserve activity) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Restructuring Reserve [Roll Forward] |  |  |
Balance, beginning of period | $ 2,415 | $ 6,244 | $ 36,608
Restructuring and other charges, net | 51,100 | (1,003) | 7,942
Cash disbursements | (24,721) | (2,756) | (37,074)
Other non-cash charges | 4,812 |  | (704)
Foreign currency impact | (32) | (70) | (528)
Balance, end of period | 31,086 | 2,415 | 6,244
Employee Severance [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Balance, beginning of period | 0 | 1,736 | 35,177
Restructuring and other charges, net | 15,704 | (509) | 2,373
Cash disbursements | (15,402) | (1,247) | (35,069)
Other non-cash charges | 0 |  | 0
Foreign currency impact | (4) | 20 | (745)
Balance, end of period | 298 | 0 | 1,736
Facility Closures [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Balance, beginning of period | 2,415 | 4,508 | 1,431
Restructuring and other charges, net | 32,908 | (494) | 5,569
Cash disbursements | (9,319) | (1,509) | (2,005)
Other non-cash charges | 4,812 |  | (704)
Foreign currency impact | (28) | (90) | 217
Balance, end of period | 30,788 | $ 2,415 | $ 4,508
2016 and 2019 Restructuring Plans [Member] |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Restructuring and other charges, net | $ 48,612 |  |

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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://fasb.org/us-gaap/role/ref/legacyRef -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=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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=115931487&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://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=115931487&loc=d3e140904-122747 + Details
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- Definition Amount of decrease in the reserve for full or partial settlement through consideration other than cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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=115931487&loc=d3e140904-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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