XML 90 R77.htm IDEA: XBRL DOCUMENT
v3.22.1

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Outstanding Commodity Contracts (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 02, 2022 T gal | Apr. 03, 2021 T gal | Sep. 30, 2021 T gal
Urea (in tons) |  |  |
Derivative [Line Items] |  |  |
Outstanding commodity contracts, mass | T | 40,500 | 6,000 | 94,500
Diesel (in gallons) |  |  |
Derivative [Line Items] |  |  |
Outstanding commodity contracts, volume | 4,452,000 | 4,368,000 | 5,880,000
Heating Oil (in gallons) |  |  |
Derivative [Line Items] |  |  |
Outstanding commodity contracts, volume | 2,016,000 | 1,680,000 | 2,268,000

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal mass used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountMass
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal volume used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=smg_UreaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=smg_DieselFuelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=srt_HeatingOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |