Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Taxes [Abstract]

Income (Loss) Before Provision (Benefit) for Income Taxes

Income before provision for income taxes consists of the following:

	Years Ended December 31,
	2021		2020		2019
U.S.	$	574,737	$	22,349	$	477,203
Non – U.S.		196,005		231,565		228,688
Income before income taxes	$	770,742	$	253,914	$	705,891

Provision (Benefit) for Income Taxes

The provision for income taxes consists of the following:

	Years Ended December 31,
	2021		2020		2019
Current:
U.S. Federal	$	71,180	$	65,143	$	45,475
State		34,439		28,325		27,528
Non – U.S.		32,071		6,941		11,570
		137,690		100,409		84,573
Deferred:
U.S. Federal		51,534		(36,659)		58,291
State		5,093		(8,762)		6,331
Non – U.S.		(42,064)		(5,066)		(9,985)
		14,563		(50,487)		54,637
Provision for income taxes	$	152,253	$	49,922	$	139,210

Significant Components of Deferred Income Tax Assets and Liabilities

The significant components of deferred income tax assets and liabilities, reduced by valuation allowances as applicable, are presented below.

	December 31,
	2021		2020
Deferred income tax assets:
Accrued expenses	$	31,840	$	26,600
Compensation		22,545		18,150
Contingent liabilities		21,268		17,652
Tax credits and loss carryforwards		24,415		24,044
Interest rate and fuel hedges		13,536		25,093
Finance costs		24,264		—
Other		—		872
Gross deferred income tax assets		137,868		112,411
Less:  Valuation allowance		—		—
Total deferred income tax assets		137,868		112,411
Deferred income tax liabilities:
Goodwill and other intangibles		(397,855)		(332,097)
Property and equipment		(484,519)		(440,019)
Landfill closure/post-closure		(18,597)		(13,846)
Prepaid expenses		(11,534)		(14,990)
Investment in subsidiaries		(69,286)		(69,391)
Finance costs		—		(2,112)
Other		(6,998)		—
Total deferred income tax liabilities		(988,789)		(872,455)
Net deferred income tax liability	$	(850,921)	$	(760,044)

Differences between Income Tax Provision in Statements of Net Income and Income Tax Provision Computed at Federal Statutory Rate

	Years Ended December 31,
	2021		2020		2019
U.S. federal statutory rate	21.0	%	21.0	%	21.0	%
State taxes, net of federal benefit	4.7		4.5		4.4
Deferred income tax liability adjustments	0.3		1.6		0.6
Effect of international operations	(6.3)		(7.0)		(6.3)
Other	0.1		(0.4)		—
	19.8	%	19.7	%	19.7	%