XML 56 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1

Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2018

Restricted Stock Units (RSUs) [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity Related to Restricted Stock Units

A summary of activity related to restricted share units (“RSUs”) during the nine-month period ended September 30, 2018, is presented below: 


		Unvested Shares
Outstanding at December 31, 2017		1,042,014
Granted		496,217
Forfeited		(53,063)
Vested and issued		(480,577)
Vested and deferred		(3,653)
Outstanding at September 30, 2018		1,000,938




Performance Shares [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Performance-Based Restricted Share Units Activity and Related Information

A summary of activity related to performance-based restricted share units (“PSUs”) during the nine-month period ended September 30, 2018, is presented below: 


		Unvested Shares
Outstanding at December 31, 2017		514,461
Granted		178,377
Forfeited		(2,071)
Vested and issued		(154,181)
Outstanding at September 30, 2018		536,586




Deferred Share Units [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity Related to Restricted Stock Units

A summary of activity related to deferred share units (“DSUs”) during the nine-month period ended September 30, 2018, is presented below: 


		Vested Shares
Outstanding at December 31, 2017		13,138
Granted		4,038
Outstanding at September 30, 2018		17,176




Progressive Waste Solutions Ltd. [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Stock Option Activity and Related Information

A summary of activity related to Progressive Waste share based options during the nine-month period ended September 30, 2018, is presented below: 


Outstanding at December 31, 2017		236,616
Cash settled		(71,460)
Outstanding at September 30, 2018		165,156



Progressive Waste Solutions Ltd. [Member] | Restricted Stock Units (RSUs) [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity Related to Restricted Stock Units

A summary of activity related to Progressive Waste RSUs during the nine-month period ended September 30, 2018, is presented below: 


Outstanding at December 31, 2017		158,510
Cash settled		(27,059)
Forfeited		(2,435)
Outstanding at September 30, 2018		129,016



Summary of Vesting Activity Related to RSUs

A summary of vesting activity related to Progressive Waste RSUs during the nine-month period ended September 30, 2018, is presented below:


Vested at December 31, 2017		138,054
Vested over remaining service period		14,695
Cash settled		(27,059)
Forfeited		(2,435)
Vested at September 30, 2018		123,255



Progressive Waste Solutions Ltd. [Member] | Performance Shares [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Performance-Based Restricted Share Units Activity and Related Information

A summary of activity related to Progressive Waste PSUs during the nine-month period ended September 30, 2018, is presented below: 


Outstanding at December 31, 2017		55,602
Cash settled, net of notional dividend		(27,033)
Forfeited		(1,909)
Outstanding at September 30, 2018		26,660



Summary of Vesting Activity Related to PSUs

A summary of vesting activity related to Progressive Waste PSUs during the nine-month period ended September 30, 2018, is presented below:


Vested at December 31, 2017		28,407
Vested over remaining service period		25,417
Cash settled, net of notional dividend		(27,033)
Forfeited		(1,909)
Vested at September 30, 2018		24,882



X

- Definition

Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding restricted stock units that are fully vested and expected to vest. Includes, but is not limited to, unvested restricted stock units for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for outstanding performance shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationPerformanceSharesAwardOutstandingActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the activity related to the number of performance based restricted stock units fully vested at the date of the latest statement of financial position.

+ References

No definition available.

+ Details

Name:	wcn_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceBasedRestrictedStockUnitsVestedTableTextBlock
Namespace Prefix:	wcn_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=wcn_DeferredShareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=wcn_ProgressiveWasteSolutionsLtd.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: