Income Taxes (Differences between Income Tax Provision in Statements of Net Income and Income Tax Provision Computed at Federal Statutory Rate) (Detail)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income tax provision (benefit) at the statutory rate	35.00%	35.00%	35.00%
State taxes, net of federal benefit	3.90%	0.30%	3.80%
Deferred income tax liability adjustments	0.60%	3.10%	0.30%
Effect of international operations	(10.90%)
Goodwill impairment		(12.30%)
Other	0.70%	(1.10%)	0.40%
Effective income tax rate, total	31.60%	25.00%	39.50%
Progressive Waste Solutions Ltd. [Member]
Acquisition	2.30%