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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.

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Amount of cash (inflow) outflow from investing activities classified as other.

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The cash outflow to reacquire common stock during the period.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash inflow from the additional capital contribution to the entity.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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

Amount of noncash expense for share-based payment arrangement.

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of amortization expense attributable to right-of-use asset from operating lease.

No definition available.

Name:	wcn_OperatingLeaseRightOfUseAssetAmortization
Namespace Prefix:	wcn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Payment Of Contingent Consideration Recorded At Acquisition Date

No definition available.