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Shareholders' Equity (Summary of Vesting Activity Related to Restricted Share Units) (Details)	9 Months Ended
	Sep. 30, 2018 shares
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Forfeited	(53,063)
Restricted Stock Units (RSUs) [Member] | Progressive Waste Solutions Ltd. [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
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
Performance Shares [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Forfeited	(2,071)
Performance Shares [Member] | Progressive Waste Solutions Ltd. [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vested at December 31, 2017	28,407
Vested over remaining service period	25,417
Cash settled	(27,033)
Forfeited	(1,909)
Vested at September 30, 2018	24,882

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ 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)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ 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)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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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.

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X

- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Cash Settled In Period

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

As of the balance sheet date, the number of shares into which fully vested share based awards can be converted.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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