XML 88 R73.htm IDEA: XBRL DOCUMENT
v3.19.3

Other Comprehensive Income (Loss) (Amounts Included in Accumulated Other Comprehensive Income (Loss)) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent, Beginning Balance |  |  |  | $ 6,454,608 |  |  |  |  | $ 6,454,608 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax |  | $ (24,911) | $ 43,135 | 42,180 | $ 35,455 |  | $ (43,474) | $ (59,330) |  | $ (67,349) |
Stockholders' Equity Attributable to Parent, Ending Balance |  | 6,790,966 |  |  |  |  |  |  | 6,790,966 |  |
Beginning balance |  |  |  |  |  |  |  | 108,413 |  | 108,413 |
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12 |  |  |  |  | (1,786) | [1],[2] | 2,204 | 1,303 |  | 1,721 | [1],[2]
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12 |  |  |  |  | 856 | [3] | 3,890 | 9,114 |  | 13,860 | [3]
Foreign currency translation adjustment |  | (24,911) | 43,135 | 42,180 | 35,455 |  | (43,474) | (59,330) |  | (67,349) |
Ending balance |  |  |  |  | 53,203 |  |  |  |  | 53,203 |
Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  |  |  |  |  | 13,951 |  | 13,951 |
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12 |  |  |  |  |  |  |  |  |  | (1,769) |
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12 | [3] |  |  |  | 634 |  |  |  |  | 11,634 |
Ending balance |  |  |  |  | 27,354 |  |  |  |  | 27,354 |
Foreign Currency Translation Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax |  |  |  |  |  |  |  |  |  | (67,349) |
Beginning balance |  |  |  |  |  |  |  | 91,555 |  | 91,555 |
Foreign currency translation adjustment |  |  |  |  |  |  |  |  |  | (67,349) |
Ending balance |  |  |  |  | 24,206 |  |  |  |  | 24,206 |
Fuel [Member] | Commodity Contract [Member] |  |  |  |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  |  |  |  |  | 2,907 |  | 2,907 |
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12 |  |  |  |  |  |  |  |  |  | 3,490 |
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12 | [3] |  |  |  | 222 |  |  |  |  | 2,226 |
Ending balance |  |  |  |  | 1,643 |  |  |  |  | 1,643 |
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent, Beginning Balance |  |  |  | (74,786) |  |  |  |  | (74,786) |  |
Amounts reclassified into earnings |  |  |  |  |  |  |  |  | (5,085) |  |
Change in fair value |  |  |  |  |  |  |  |  | (41,761) |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax |  | (24,911) | 43,135 | 42,180 | 35,455 |  | (43,474) | (59,330) | 60,404 |  |
Stockholders' Equity Attributable to Parent, Ending Balance |  | (61,228) |  |  |  |  |  |  | (61,228) |  |
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12 |  |  |  |  | (1,786) |  | 2,204 | 1,303 |  |  |
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12 |  |  |  |  | 856 |  | 3,890 | 9,114 |  |  |
Foreign currency translation adjustment |  | (24,911) | $ 43,135 | 42,180 | 35,455 |  | $ (43,474) | $ (59,330) | 60,404 |  |
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent, Beginning Balance |  |  |  | 8,892 |  |  |  |  | 8,892 |  |
Amounts reclassified into earnings |  |  |  |  |  |  |  |  | (5,085) |  |
Change in fair value |  |  |  |  |  |  |  |  | (41,761) |  |
Stockholders' Equity Attributable to Parent, Ending Balance |  | (37,954) |  |  |  |  |  |  | (37,954) |  |
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |  |  |  |  |  |  |  |
Components of Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent, Beginning Balance |  |  |  | $ (83,678) |  |  |  |  | (83,678) |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax |  | (24,911) |  |  | 35,455 |  |  |  | 60,404 | (67,349) |
Stockholders' Equity Attributable to Parent, Ending Balance |  | (23,274) |  |  |  |  |  |  | (23,274) |  |
Foreign currency translation adjustment |  | $ (24,911) |  |  | $ 35,455 |  |  |  | $ 60,404 | $ (67,349) |
[1] | Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.
[2] | Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.
[3] | In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

X
- Definition Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580 + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after tax, before 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 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581 Reference 2: 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=118930883&loc=SL7669686-108580 + Details
Name: | us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b,c) -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959 Reference 2: 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=118930883&loc=SL34724391-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e689-108580 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (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 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after 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=118930883&loc=SL7669686-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581 + Details
Name: | us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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://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=27010918&loc=d3e74512-122707 Reference 2: 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=6877327&loc=d3e13212-122682 Reference 3: 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=6877327&loc=d3e13212-122682 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(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockholdersEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Components of other comprehensive income loss. + References No definition available. + Details
Name: | wcn_ComponentsOfOtherComprehensiveIncomeLossLineItems
Namespace Prefix: | wcn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

X
- Details
Name: | srt_EnergyAxis=srt_FuelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
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_AccumulatedGainLossNetCashFlowHedgeParentMember
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: |