Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Summary of Changes in Benefit Obligations, Fair Value of Assets, Funded Status and Amounts Recognized in Consolidated Statements of Financial Condition

The following table summarizes the changes in the benefit obligations, the fair value of the assets, the funded status and amounts recognized in the consolidated statements of financial condition for the post-retirement plans. The Company uses December 31 as the measurement date for its post-retirement plans.

	Pension Plans						Medical Plan
	2017			2016			2017		2016
Change in benefit obligation
Benefit obligation at beginning of year	$	718,821		$	694,187		$	-	$	4,750
Service cost		1,413			1,235					11
Interest cost		16,240			19,871					167
Actuarial (gain) loss		2,702			135,164					(1,639	)
Benefits paid		(44,589	)		(31,904	)				(3,289	)
Foreign currency translation and other adjustments		69,244			(99,732	)
Benefit obligation at end of year		763,831			718,821			-		-
Change in plan assets
Fair value of plan assets at beginning of year		646,119			656,084
Actual return on plan assets		43,624			119,287
Employer contributions		16,844			11,343					3,289
Benefits paid		(42,022	)		(29,384	)				(3,289	)
Foreign currency translation and other adjustments		63,716			(111,211	)
Fair value of plan assets at end of year		728,281			646,119			-		-
Funded (deficit) at end of year	$	(35,550	)	$	(72,702	)	$	-	$	-
Amounts recognized in the consolidated statements    of financial condition at December 31, 2017 and    2016 consist of:
Prepaid pension asset (included in “other  assets”)	$	16,189		$	822		$	-	$	-
Accrued benefit liability (included in “other    liabilities”)		(51,739	)		(73,524	)
Net amount recognized	$	(35,550	)	$	(72,702	)	$	-	$	-
Amounts recognized in AOCI (excluding tax    benefits of $35,154 and $33,864 at December 31,    2017 and 2016, respectively) consist of:
Actuarial net loss (gain)	$	184,135		$	192,855		$	-	$	-
Prior service cost		-			30
Net amount recognized	$	184,135		$	192,885		$	-	$	-

Summary of Fair Value of Plan Assets, Accumulated Benefit Obligation and Projected Benefit Obligation

The following table summarizes the fair value of plan assets, the accumulated benefit obligation and the projected benefit obligation at December 31, 2017 and 2016:

	U.S. Pension Plans				Non-U.S. Pension Plans				Total
	As Of December 31,				As Of December 31,				As Of December  31,
	2017		2016		2017		2016		2017		2016
Fair value of plan assets	$	24,644	$	22,161	$	703,637	$	623,958	$	728,281	$	646,119
Accumulated benefit obligation	$	35,376	$	33,868	$	728,455	$	684,953	$	763,831	$	718,821
Projected benefit obligation	$	35,376	$	33,868	$	728,455	$	684,953	$	763,831	$	718,821

Components of Net Periodic Benefit Cost (Credit)

The following table summarizes the components of net periodic benefit cost (credit), the return on the Company’s post-retirement plan assets, benefits paid, contributions and other amounts recognized in AOCI for the years ended December 31, 2017, 2016 and 2015:

	Pension Plans									Medical Plan
	For The Year Ended									For The Year Ended
	December 31,									December 31,
	2017			2016			2015			2017		2016			2015
Components of Net Periodic Benefit Cost    (Credit):
Service cost	$	1,413		$	1,235		$	1,530		$	-	$	11		$	27
Interest cost		16,240			19,871			24,600			-		167			179
Expected return on plan assets		(25,300	)		(27,337	)		(28,301	)		-		-			-
Amortization of:
Prior service cost		30			2,369			2,376			-		-			-
Net actuarial loss (gain)		10,141			3,888			5,440			-		(185	)		-
Settlement loss (gain)		807			-			-			-		(1,788	)		-
Net periodic benefit cost (credit)	$	3,331		$	26		$	5,645		$	-	$	(1,795	)	$	206
Actual return on plan assets	$	43,624		$	119,287		$	9,873
Employer contributions	$	16,844		$	11,343		$	39,301		$	-	$	3,289		$	276
Benefits paid	$	42,022		$	29,384		$	32,321		$	-	$	3,289		$	276
Other changes in plan assets and benefit    obligations recognized in AOCI (excluding    tax expense (benefit) of $(1,287), $(3,448)    and $7,151 during the years ended    December 31, 2017, 2016 and 2015,    respectively):
Net actuarial (gain) loss	$	(17,357	)	$	51,626		$	(4,650	)	$	-	$	(1,638	)	$	(695	)
Reclassification of prior service (cost)    credit to earnings		(30	)		(2,369	)		(2,376	)		-		-			-
Reclassification of actuarial gain (loss)    to earnings		(10,141	)		(3,888	)		(5,440	)		-		1,973			-
Currency translation and other    adjustments		18,778			(20,309	)		(11,582	)		-		-			-
Total recognized in AOCI	$	(8,750	)	$	25,060		$	(24,048	)	$	-	$	335		$	(695	)
Net amount recognized in total periodic    benefit cost and AOCI	$	(5,419	)	$	25,086		$	(18,403	)	$	-	$	(1,460	)	$	(489	)

Schedule of Amounts in AOCI on Consolidated Statement of Financial Condition Expected to be Recognized

The amounts in AOCI on the consolidated statement of financial condition as of December 31, 2017 that are expected to be recognized as components of net periodic benefit cost (credit) for the year ending December 31, 2018 are as follows:

	Pension Plans
Net actuarial loss	$	5,072

Schedule of Assumptions Used to Develop Actuarial Present Value of Projected Benefit Obligation and Net Periodic Pension Cost

The assumptions used to develop actuarial present value of the projected benefit obligation and net periodic pension cost as of or for the years ended December 31, 2017, 2016 and 2015 are set forth below:

	Pension Plans									Medical Plan
	December  31,									December 31,
	2017			2016			2015			2017		2016			2015
Weighted average assumptions used to    determine benefit obligations:
Discount rate		2.3	%		2.5	%		3.5	%		-		-			3.9	%
Weighted average assumptions used to    determine net periodic benefit cost:
Discount rate		2.2	%		1.9	%		2.6	%		-		3.9	%		3.7	%
Expected long-term rate of return on plan    assets		3.8	%		4.6	%		4.3	%		-		-			-
Healthcare cost trend rates used to determine    net periodic benefit cost:
Initial											-		6.5	%		7.0	%
Ultimate											-		5.0	%		5.0	%
Year ultimate trend rate achieved											-	2019			2019

Schedule of Expected Benefit Payments

Expected Benefit Payments—The following table summarizes the expected benefit payments for the Company’s pension plans for each of the next five fiscal years and in the aggregate for the five fiscal years thereafter:

	Pension
	Plans
2018	$	24,631
2019		25,347
2020		25,351
2021		26,981
2022		29,287
2023-2027		153,490

Schedule of Categorization of Plans' Assets

Plan Assets—The following tables present the categorization of our pension plans’ assets as of December 31, 2017 and 2016, measured at fair value, into a fair value hierarchy and investments measured at NAV or its equivalent as a practical expedient in accordance with fair value measurement disclosure requirements:

	As of December 31, 2017
	Level 1		Level 2		Level 3		NAV (a)		Total
Assets:
Cash	$	11,544	$	-	$	-	$	-	$	11,544
Debt		73,728		-		-		-		73,728
Equities		36,854		-		-		-		36,854
Funds:
Alternative investments		-		-		-		25,938		25,938
Debt		11,002		-		-		363,915		374,917
Equity		192,875		3,746		-		8,015		204,636
Derivative		-		664		-		-		664
Total	$	326,003	$	4,410	$	-	$	397,868	$	728,281

	As of December 31, 2016
	Level 1		Level 2		Level 3		NAV (a)		Total
Assets:
Cash	$	23,341	$	-	$	-	$	-	$	23,341
Debt		63,431		-		-		-		63,431
Equities		29,287		-		-		-		29,287
Funds:
Alternative investments		1,216		-		-		23,062		24,278
Debt		10,494		-		-		320,560		331,054
Equity		167,981		-		-		6,129		174,110
Derivative		-		618		-		-		618
Total	$	295,750	$	618	$	-	$	349,751	$	646,119

(a) Represents certain investments measured at NAV or its equivalent as a practical expedient in determining fair value. In accordance with current accounting guidance, these investments have not been classified in the fair value hierarchy.