Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income	$ 62,900	$ 43,995	$ 112,122	$ 85,674
Other comprehensive income (loss), before tax:
Other comprehensive income (loss), before tax	(1,162)	2,720	(996)	4,651
Income tax (expense) benefit related to items of other comprehensive income	446	(1,040)	385	(1,774)
Other comprehensive income (loss), net of tax	(716)	1,680	(611)	2,877
Comprehensive income	62,184	45,675	111,511	88,551
Less: Comprehensive income attributable to noncontrolling interests	(236)	(28)	(443)	(151)
Comprehensive income attributable to Waste Connections	61,948	45,647	111,068	88,400
Interest Rate Swap [Member]
Other comprehensive income (loss), before tax:
Amounts reclassified, gross	886	1,400	1,954	2,779
Changes in fair value, gross	(2,210)	1,863	(2,504)	1,824
Fuel [Member] | Commodity Contract [Member]
Other comprehensive income (loss), before tax:
Amounts reclassified, gross	(304)		(627)
Changes in fair value, gross	$ 466	$ (543)	$ 181	$ 48