XML 80 R66.htm IDEA: XBRL DOCUMENT
v3.22.4

Employee Benefit Plans (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) employee | Dec. 31, 2021 USD ($) employee | Dec. 31, 2020 USD ($)
Employee Benefit Plans |  |  |
Percentage of contributions of covered employees' salaries or wages | 2.50% |  |
Contribution | $ 19.8 | $ 16.1 | $ 16.3
Amount payable to plan | $ 0.5 | $ 0.6 |
Number of employees who are union members | employee | 12 | 5 |
Contributions made to multi-employer pension plans | $ 0.0 | $ 0.0 | $ 0.0
Period in which certain individuals are entitled to fixed annual payments | 15 years |  |
Maximum age under which certain individuals are entitled to fixed annual payments | 65 years |  |
Portion of benefits vesting after ten years of completed service (as a percent) | 50.00% |  |
Period of completed service over which 50% of benefits are vested | 10 years |  |
Portion of benefits vesting after fifteen years of completed service (as a percent) | 75.00% |  |
Period of completed service over which 75% of benefits are vested | 15 years |  |
Period of service over which benefits are fully vested | 20 years |  |
Unfunded benefit liability | $ 3.7 | $ 4.0 |

X
- Definition Represents the maximum age under which certain individuals are entitled to fixed annual payments. + References No definition available. + Details
Name: | fix_DefinedBenefitPlanMaximumAgeInWhichCertainIndividualsAreEntitledToFixedAnnualPayments
Namespace Prefix: | fix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period in which certain individuals are entitled to fixed annual payments. + References No definition available. + Details
Name: | fix_DefinedBenefitPlanPeriodInWhichCertainIndividualsAreEntitledToFixedAnnualPayments
Namespace Prefix: | fix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period of completed service over which 50 percent of benefits are vested. + References No definition available. + Details
Name: | fix_DefinedBenefitPlanPeriodOfCompletedServiceOverWhich50PercentOfBenefitsAreVested
Namespace Prefix: | fix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period of completed service over which 75 percent of benefits are vested. + References No definition available. + Details
Name: | fix_DefinedBenefitPlanPeriodOfCompletedServiceOverWhich75PercentOfBenefitsAreVested
Namespace Prefix: | fix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the period of service over which benefits are fully vested. + References No definition available. + Details
Name: | fix_DefinedBenefitPlanPeriodOfServiceOverWhichBenefitsAreFullyVested
Namespace Prefix: | fix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the portion of benefits vesting after fifteen years of completed service. + References No definition available. + Details
Name: | fix_DefinedBenefitPlanPeriodPortionOfBenefitsVestingAfterFifteenYearsOfCompletedService
Namespace Prefix: | fix_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the portion of benefits vesting after ten years of completed service. + References No definition available. + Details
Name: | fix_DefinedBenefitPlanPeriodPortionOfBenefitsVestingAfterTenYearsOfCompletedService
Namespace Prefix: | fix_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount payable to defined contribution plan. + References No definition available. + Details
Name: | fix_DefinedContributionPlanAmountPayable
Namespace Prefix: | fix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan. + References No definition available. + Details
Name: | fix_DefinedContributionPlanMaximumAnnualContributionPerEmployeeByEmployerPercent
Namespace Prefix: | fix_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of employees who are union members and have participated in the multi-employer pension plans. + References No definition available. + Details
Name: | fix_MultiEmployerPensionPlanNumberOfEmployeesWhoAreUnionMembers
Namespace Prefix: | fix_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of contribution received by multiemployer pension plan from all employers participating in multiemployer pension plan determined to be individually insignificant. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 7 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450678-114947 + Details
Name: | us-gaap_MultiemployerPlanPensionInsignificantPlanContribution
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=123453770&loc=d3e1703-114919 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=123453770&loc=d3e1731-114919 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 5: 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(24)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant