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Derivative Instruments (Tables) | 12 Months Ended
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Sep. 30, 2018
Derivative Instruments and Hedges, Assets [Abstract] |
Derivative Instruments Outstanding | The following derivative instruments were outstanding as of the end of each fiscal year (in thousands):
|  | Balance Sheet Location |  | Fair Value
|  |  | 2018 |  | 2017
Derivatives designated as hedging instruments: |  |  |  |  |  |
Interest rate swaps |  | Accrued liabilities |  | $ | (26 | ) |  | $ | (4,777 | )
Interest rate swaps |  | Other long-term liabilities |  | (1,266 | ) |  | (18,150 | )
Interest rate swaps |  | Other assets, net |  | 589 |  |  | — |
Total derivatives (Note 5) |  |  |  | $ | (703 | ) |  | $ | (22,927 | )
Gains Or Losses Recognized On Interest Rate Swap Derivative Instrument | The following table summarizes the accumulated OCI activity related to our interest rate swap derivative instruments in each fiscal year (in thousands):
|  | Location in Income |  | 2018 |  | 2017 |  | 2016
Gain (loss) recognized in OCI |  | N/A |  | $ | 18,769 |  |  | $ | 19,768 |  |  | $ | (25,439 | )
Loss reclassified from accumulated OCI into net earnings |  | Interest expense, net |  | $ | 3,455 |  |  | $ | 5,070 |  |  | $ | 4,048 |

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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