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Credit Facilities, Short-term Borrowings and Long-term Debt (Tables) | 12 Months Ended
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Sep. 30, 2017
Debt Disclosure |
Short-term Borrowings and Availability Under Various Short-term Credit Facilities |
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |
﻿ | Total availability |  | Outstanding letters of credit and guarantees |  | Outstanding borrowings |  | Remaining availability
﻿Revolving credit facility | $ | 1,000,000 |  | $ | (10,621) |  | $ | (32,600) |  | $ | 956,779
﻿Foreign lines of credit and overdraft facilities |  | 7,530 |  |  | - |  |  | - |  |  | 7,530
﻿Foreign performance guarantee facilities |  | 10,058 |  |  | (351) |  |  | - |  |  | 9,707
﻿ | $ | 1,017,588 |  | $ | (10,972) |  | $ | (32,600) |  | $ | 974,016
﻿
Schedule of Long-term Debt Instruments [Table Text Block] |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | September 30, |  | September 30,
﻿ |  | 2017 |  | 2016
﻿Revolving credit facility - Floating rate (LIBOR plus 0.85% - 1.65%), due April 2020, unsecured |  | $ | 32,600 |  | $ | 156,700
﻿Series D notes – 6.39%, due October 2018; unsecured |  |  | 100,000 |  |  | 100,000
﻿Series F notes – 8.24%, due April 2019; unsecured |  |  | 43,000 |  |  | 43,000
﻿Series G notes – 3.42%, due November 2020; unsecured |  |  | 50,000 |  |  | 50,000
﻿Series H notes – 4.03%, due November 2023; unsecured |  |  | 25,000 |  |  | 25,000
﻿Series I notes – 4.18%, due November 2025; unsecured |  |  | 25,000 |  |  | 25,000
﻿Series J notes – Floating rate (LIBOR plus 1.25%), due November 2020; unsecured |  |  | 50,000 |  |  | 50,000
﻿Series K notes – 4.03%, due November 2023; unsecured |  |  | 50,000 |  |  | 50,000
﻿Series L notes – 4.18%, due November 2025; unsecured |  |  | 50,000 |  |  | 50,000
﻿Series M notes – 1.12% due September 2026; unsecured |  |  | 47,270 |  |  | 44,886
﻿Series N notes – 1.31% due September 2028; unsecured |  |  | 90,995 |  |  | 86,406
﻿Series O notes – 1.57% due September 2031; unsecured |  |  | 50,815 |  |  | 48,252
﻿Total debt |  |  | 614,680 |  |  | 729,244
﻿Less: Current portion of long-term debt |  |  | (32,600) |  |  | (150,000)
﻿ Unamortized debt issuance costs |  |  | (1,794) |  |  | (2,091)
﻿Long-term debt, less current portion |  | $ | 580,286 |  | $ | 577,153
﻿
Schedule of Future Principal Payments of Long-term Debt [Table Text Block] |
﻿ |  |  |
﻿ |  |  |
﻿Year Ending September 30: |  |  |
﻿2018 |  | $ | -
﻿2019 |  |  | 143,000
﻿2020 |  |  | -
﻿2021 |  |  | 100,000
﻿2022 |  |  | -
﻿Thereafter |  |  | 339,080
﻿ |  | $ | 582,080
﻿

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21521-112644 + Details
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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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