Aggregate dividends declared during the period for each share of common stock outstanding.

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Face (par) amount of debt instrument at time of issuance.

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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

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Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements.

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Subsequent Events (Details)	Apr. 26, 2017 $ / shares	Jul. 19, 2016	Apr. 20, 2017 USD ($)
Subsequent Event [Line Items]
Period for share repurchase program		1 year
Share repurchase plan expiration date		Aug. 07, 2017
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends, declared date	Apr. 26, 2017
Dividends per share amount \| $ / shares	$ 0.18
Dividends, date to be paid	May 24, 2017
Dividends, date of record	May 10, 2017
Subsequent Event [Member] \| Scenario, Plan [Member]
Subsequent Event [Line Items]
Stock split description	On April 26, 2017, the Company announced that its Board of Directors approved a split of its common shares on a three-for-two basis, pending approval by its shareholders at the Company's Annual and Special Meeting of Shareholders of Waste Connections to be held on May 23, 2017. Following shareholder approval of the share split, the Company expects that shareholders of record on June 7, 2017, will receive from the Company's transfer agent on June 16, 2017, one additional common share for every two common shares held.
Stockholders equity stock conversion ratio	1.5
Senior Notes [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt principal amount \| $			$ 400,000,000