XML 128 R111.htm IDEA: XBRL DOCUMENT
v3.22.0.1

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Increase (Decrease) in AOCI |  |  |
Balance | $ 1,449.6 | $ 1,255.7 | $ 1,095.7
Other comprehensive income (loss) before reclassifications |  |  |
Pre-tax | 22.8 | (54.2) | (13.5)
Tax effect | (6.9) | 8.8 | 4.1
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Benefit for income taxes | (3.7) | (2.6) | (0.1)
Net current period other comprehensive income (loss) | 27.8 | (37.1) | (9.2)
Balance | 1,825.2 | 1,449.6 | 1,255.7
Interest Rate Derivative Instruments |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | 7.9 |  |
Floorplan interest expense (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | 3.7 | 7.9 | 0.4
Other interest expense, net (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | 4.1 | 2.8 | (0.2)
Realized (gain) loss on interest rate swap termination (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax |  | 0.1 |
Accumulated Other Comprehensive Income (Loss) |  |  |
Increase (Decrease) in AOCI |  |  |
Balance | (184.0) | (147.0) | (137.8)
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Net current period other comprehensive income (loss) | 27.8 | (37.1) | (9.2)
Balance | (156.2) | (184.0) | (147.0)
Accumulated income (loss) on foreign currency translation |  |  |
Increase (Decrease) in AOCI |  |  |
Balance | (151.6) | (142.9) | (146.7)
Other comprehensive income (loss) before reclassifications |  |  |
Pre-tax | (6.7) | (8.7) | 3.9
Tax effect | 0.0 | 0.0 | 0.0
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Benefit for income taxes | 0.0 | 0.0 | 0.0
Net current period other comprehensive income (loss) | (6.7) | (8.7) | 3.9
Balance | (158.2) | (151.6) | (142.9)
Accumulated income (loss) on foreign currency translation | Interest Rate Derivative Instruments |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | 0.0 |  |
Accumulated income (loss) on foreign currency translation | Floorplan interest expense (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | 0.0 | 0.0 | 0.0
Accumulated income (loss) on foreign currency translation | Other interest expense, net (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | 0.0 | 0.0 | 0.0
Accumulated income (loss) on foreign currency translation | Realized (gain) loss on interest rate swap termination (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax |  | 0.0 |
Accumulated income (loss) on interest rate swaps |  |  |
Increase (Decrease) in AOCI |  |  |
Balance | (32.5) | (4.1) | 8.9
Other comprehensive income (loss) before reclassifications |  |  |
Pre-tax | 29.5 | (45.5) | (17.4)
Tax effect | (6.9) | 8.8 | 4.1
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Benefit for income taxes | (3.7) | (2.6) | (0.1)
Net current period other comprehensive income (loss) | 34.5 | (28.4) | (13.0)
Balance | 2.0 | (32.5) | (4.1)
Accumulated income (loss) on interest rate swaps | Interest Rate Derivative Instruments |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | 7.9 |  |
Accumulated income (loss) on interest rate swaps | Floorplan interest expense (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | 3.7 | 7.9 | 0.4
Accumulated income (loss) on interest rate swaps | Other interest expense, net (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax | $ 4.1 | 2.8 | $ (0.2)
Accumulated income (loss) on interest rate swaps | Realized (gain) loss on interest rate swap termination (pre-tax) |  |  |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  |
Pre-tax |  | $ 0.1 |

X
- Definition Other Comprehensive Income (Loss), Before Reclassification [Abstract] + References No definition available. + Details
Name: | gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract
Namespace Prefix: | gpi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reclassification from AOCI, Current Period [Abstract] + References No definition available. + Details
Name: | gpi_ReclassificationfromAOCICurrentPeriodAbstract
Namespace Prefix: | gpi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_IncreaseDecreaseInStockholdersEquityRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 + Details
Name: | us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e640-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=123454820&loc=SL4569643-111683 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=123454820&loc=SL4569616-111683 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount before tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 + Details
Name: | us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL34724391-108580 + Details
Name: | us-gaap_ReclassificationFromAociCurrentPeriodTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=122038336&loc=d3e74512-122707 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(31)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 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(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 6: 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(30)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_StockholdersEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=gpi_FloorplanInterestExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=us-gaap_GainLossOnDerivativeInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedTranslationAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |