Green Zone Multiemployer Plan Funded Percentage

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- Definition

Red Zone Multiemployer Plans Funded Percentage

+ References

No definition available.

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- Definition

Yellow Zone Multiemployer Plans Funded Percentage

+ References

No definition available.

+ Details

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- Definition

Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cost for employer contribution to multiemployer pension plan determined to be individually insignificant.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
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-Paragraph 9
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-Publisher FASB
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-Subparagraph (e)(1)
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+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Year-end date of plan applicable to certified zone status for multiemployer pension plan determined to be individually significant, in YYYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Indicates certified zone status of multiemployer pension plan determined to be individually significant. Acceptable values are "Green", "Yellow", "Orange", "Red", "Other", and "NA".

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Expiration date of collective-bargaining arrangement (CBA) requiring contribution to multiemployer pension plan determined to be individually significant, in YYYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of cost for employer contribution to multiemployer pension plan determined to be individually significant.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (e)(1)
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-Publisher FASB
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Balance Type:	debit
Period Type:	duration

- Definition

Employer Identification Number (EIN) or Tax Identification Number (TIN) assigned by Internal Revenue Service (IRS) for multiemployer pension plan determined to be individually significant, in nine-digit numeric format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
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-Topic 715
-SubTopic 80
-Section 55
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-URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

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Data Type:	us-types:nineDigitItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates whether funding improvement plan or rehabilitation plan was implemented or pending for multiemployer pension plan, determined to be individually significant. Acceptable values are "No", "Pending", "Implemented", "Other", and "NA".

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Plan number for multiemployer pension plan determined to be individually significant, in three-digit numeric format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Indicates whether employer paid surcharge to multiemployer pension plan determined to be individually significant. Acceptable values are "No", "Yes" and "NA".

+ References

+ Details

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- 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

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Employee Benefit Plans - Multiemployer Defined Benefit Pension Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Building Service 32BJ Pension Fund
Multiemployer Plans [Line Items]
Plan Number	001
Pension Protection Act Zone Status	Red	Red
Pension Protection Act Zone Status, date	Jun. 30, 2020	Jun. 30, 2019
Funding Improvement /Rehabilitation Plan Status	Implemented
Surcharge Imposed	No
Building Service 32BJ Pension Fund \| Minimum
Multiemployer Plans [Line Items]
Expiration Dates of Collective Bargaining Agreements	Oct. 15, 2023
Building Service 32BJ Pension Fund \| Maximum
Multiemployer Plans [Line Items]
Expiration Dates of Collective Bargaining Agreements	Dec. 31, 2023
S.E.I.U. National Industry Pension Fund
Multiemployer Plans [Line Items]
Plan Number	001
Pension Protection Act Zone Status	Red	Red
Pension Protection Act Zone Status, date	Dec. 31, 2020	Dec. 31, 2019
Funding Improvement /Rehabilitation Plan Status	Implemented
Surcharge Imposed	Yes
S.E.I.U. National Industry Pension Fund \| Minimum
Multiemployer Plans [Line Items]
Expiration Dates of Collective Bargaining Agreements	Jul. 31, 2022
S.E.I.U. National Industry Pension Fund \| Maximum
Multiemployer Plans [Line Items]
Expiration Dates of Collective Bargaining Agreements	Oct. 31, 2023
IUOE Stationary Engineers Local 39 Pension Plan
Multiemployer Plans [Line Items]
Plan Number	001
Pension Protection Act Zone Status	Green	Green
Pension Protection Act Zone Status, date	Dec. 31, 2020	Dec. 31, 2019
IUOE Stationary Engineers Local 39 Pension Plan \| Minimum
Multiemployer Plans [Line Items]
Expiration Dates of Collective Bargaining Agreements	Aug. 31, 2023
IUOE Stationary Engineers Local 39 Pension Plan \| Maximum
Multiemployer Plans [Line Items]
Expiration Dates of Collective Bargaining Agreements	Oct. 31, 2024
Central Pension Fund of the IUOE & Participating Employers
Multiemployer Plans [Line Items]
Plan Number	001
Pension Protection Act Zone Status	Green	Green
Pension Protection Act Zone Status, date	Jan. 31, 2021	Jan. 31, 2020
Expiration Dates of Collective Bargaining Agreements	Dec. 31, 2022
SEIU Local 1 & Participating Employers Pension Trust
Multiemployer Plans [Line Items]
Plan Number	001
Pension Protection Act Zone Status	Green	Green
Pension Protection Act Zone Status, date	Sep. 30, 2020	Sep. 30, 2019
Expiration Dates of Collective Bargaining Agreements	Apr. 07, 2024
Western Conference of Teamsters Pension Plan
Multiemployer Plans [Line Items]
Plan Number	001
Pension Protection Act Zone Status	Green	Green
Pension Protection Act Zone Status, date	Dec. 31, 2020	Dec. 31, 2019
Western Conference of Teamsters Pension Plan \| Minimum
Multiemployer Plans [Line Items]
Expiration Dates of Collective Bargaining Agreements	Dec. 31, 2021
Western Conference of Teamsters Pension Plan \| Maximum
Multiemployer Plans [Line Items]
Expiration Dates of Collective Bargaining Agreements	Nov. 30, 2022
Multiemployer Plans, Pension Plans
Multiemployer Plans [Line Items]
Total Contributions	$ 56.8	$ 55.5	$ 66.6
Multiemployer Plans, Pension Plans \| Able
Multiemployer Plans [Line Items]
Total Contributions	$ 4.6
Multiemployer Plans, Pension Plans \| Minimum
Multiemployer Plans [Line Items]
Green Zone funded percent - Minimum	80.00%	80.00%
Multiemployer Plans, Pension Plans \| Maximum
Multiemployer Plans [Line Items]
Red Zone funded percent - Maximum	65.00%	65.00%
Yellow Zone funded percent - Maximum	80.00%	80.00%
Multiemployer Plans, Pension Plans \| Building Service 32BJ Pension Fund
Multiemployer Plans [Line Items]
Employer Identification Number	131879376
Contributions by ABM, significant	$ 18.8	$ 16.8	19.3
Multiemployer Plans, Pension Plans \| S.E.I.U. National Industry Pension Fund
Multiemployer Plans [Line Items]
Employer Identification Number	526148540
Contributions by ABM, significant	$ 10.9	11.1	10.6
Multiemployer Plans, Pension Plans \| IUOE Stationary Engineers Local 39 Pension Plan
Multiemployer Plans [Line Items]
Employer Identification Number	946118939
Funding Improvement /Rehabilitation Plan Status	NA
Contributions by ABM, significant	$ 6.6	4.3	4.6
Surcharge Imposed	NA
Multiemployer Plans, Pension Plans \| Central Pension Fund of the IUOE & Participating Employers
Multiemployer Plans [Line Items]
Employer Identification Number	366052390
Funding Improvement /Rehabilitation Plan Status	NA
Contributions by ABM, significant	$ 5.3	7.1	11.7
Surcharge Imposed	NA
Multiemployer Plans, Pension Plans \| SEIU Local 1 & Participating Employers Pension Trust
Multiemployer Plans [Line Items]
Employer Identification Number	366486542
Funding Improvement /Rehabilitation Plan Status	NA
Contributions by ABM, significant	$ 3.9	4.3	5.1
Surcharge Imposed	NA
Multiemployer Plans, Pension Plans \| Western Conference of Teamsters Pension Plan
Multiemployer Plans [Line Items]
Employer Identification Number	916145047
Funding Improvement /Rehabilitation Plan Status	NA
Contributions by ABM, significant	$ 2.0	2.5	3.1
Surcharge Imposed	NA
Multiemployer Plans, Pension Plans \| All Other Plans
Multiemployer Plans [Line Items]
Contributions by ABM, insignificant	$ 9.3	$ 9.5	$ 12.2