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Debt - Narrative (Details) € in Millions, $ in Millions |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 17, 2018 USD ($) | Jun. 21, 2018 EUR (€) debt_instrument | Mar. 13, 2017 | Aug. 06, 2019 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Apr. 01, 2019 USD ($) | Jan. 17, 2019 USD ($) | Sep. 30, 2018 USD ($) | Jun. 21, 2018 USD ($) | Feb. 28, 2018 USD ($) | Mar. 31, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maturities of long term debt in five years |  |  |  |  | $ 10.0 | $ 10.0 |  |  |  |  |  |  |
Number of senior note offerings | debt_instrument |  | 2 |  |  |  |  |  |  |  |  |  |  |
Short term borrowing interest rate |  |  |  |  | 4.90% | 4.90% |  |  |  | 4.30% |  |  |
Payments of Debt Issuance Costs |  |  |  |  |  | $ 40.1 | $ 1.4 |  |  |  |  |  |
Long-term debt |  |  |  |  | $ 3,561.6 | 3,561.6 |  |  |  | $ 988.0 |  |  |
Notes payable |  |  |  |  | 41.5 | 41.5 |  |  |  | 247.3 |  |  |
Foreign Affiliate |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding letters of credit |  |  |  |  | 1.5 | 1.5 |  |  |  |  |  |  |
Interest Rate Contracts |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Forward interest rate |  |  |  |  |  |  |  |  |  |  |  | 2.47% |
Notional value |  |  |  |  | 400.0 | 400.0 |  | $ 50.0 |  |  |  | $ 400.0 |
Senior Secured Term Loan B Facility due 2022 | Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal payments as a percentage of the original principal balance | 0.25% |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal | $ 2.5 |  |  |  |  |  |  |  |  |  |  |  |
Repayments of term loan facility |  |  |  |  | 2.5 |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | 0.0 | 0.0 |  |  |  | 388.0 |  |  |
Senior Secured Term Loan B Facility due 2022 | Secured Debt | Interest Rate Contracts |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Variable rate debt hedged |  |  |  |  |  |  |  |  |  |  |  |  | $ 200.0
Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 2.03%
Senior Secured Term Loan A Facility due 2021 | Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of term loan facility |  |  |  |  | 122.5 |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | $ 77.5 | $ 77.5 |  |  |  | 0.0 |  |  |
Senior Secured Term Loan A Facility due 2021 | Secured Debt | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of term loan facility |  |  |  | $ 15.0 |  |  |  |  |  |  |  |  |
5.50% Senior Notes due 2025 | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  |  |  |  |  |  | $ 600.0 |  |  |  |
Stated interest rate of debt |  |  |  |  | 5.50% | 5.50% |  |  | 7.75% |  |  |  |
Long-term debt |  |  |  |  | $ 600.0 | $ 600.0 |  |  |  | 600.0 |  |  |
6.375% Senior Notes due 2026 | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  |  |  |  |  |  |  |  | $ 500.0 |  |
Stated interest rate of debt |  | 6.375% |  |  | 6.375% | 6.375% |  |  |  |  | 6.375% |  |
Long-term debt |  |  |  |  | $ 500.0 | $ 500.0 |  |  |  | 0.0 |  |  |
4.625% Senior Notes due 2026 | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt | € |  | € 650.0 |  |  |  |  |  |  |  |  |  |  |
Stated interest rate of debt |  | 4.625% |  |  | 4.25% | 4.25% |  |  |  |  | 4.625% |  |
Long-term debt |  |  |  |  | $ 739.2 | $ 739.2 |  |  |  | 0.0 |  |  |
Term Loan A Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Principal payments as a percentage of the original principal balance | 6.25% |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal | $ 12.5 |  |  |  |  |  |  |  |  |  |  |  |
Term Loan A Facility | Spectrum Brands Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt | $ 200.0 |  |  |  |  |  |  |  |  |  |  |  |
Term of debt | 3 years |  |  |  |  |  |  |  |  |  |  |  |
Term Loan B Facility | Spectrum Brands Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt | $ 1,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Term of debt | 7 years |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Term of debt | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount for line of credit | $ 400.0 |  |  |  |  |  |  |  |  |  |  |  |
Outstanding letters of credit |  |  |  |  | 40.0 | 40.0 |  |  |  | 240.0 |  |  |
Amount available remaining |  |  |  |  | 352.4 | 352.4 |  |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding letters of credit |  |  |  |  | 7.6 | $ 7.6 |  |  |  |  |  |  |
Non-US | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding letters of credit |  |  |  |  |  |  |  |  |  | 7.3 |  |  |
LIBOR | Senior Secured Term Loan B Facility due 2022 | Secured Debt |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis points |  |  | 2.00% |  |  | 2.50% |  |  |  |  |  |  |
Basis points floor |  |  |  |  |  | 0.75% |  |  |  |  |  |  |
Estimate of Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Fair Value Amount |  |  |  |  | 2,493.4 | $ 2,493.4 |  |  |  | 599.2 |  |  |
Long-term debt held in escrow |  |  |  |  |  |  |  |  |  | 1,274.4 |  |  |
Reported Value Measurement |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Fair Value Amount |  |  |  |  | 600.0 | 600.0 |  |  |  |  |  |  |
Long-term debt held in escrow |  |  |  |  | $ 2,439.2 | $ 2,439.2 |  |  |  | $ 1,254.2 |  |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a 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. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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