LEASES (Tables)

9 Months Ended

Sep. 30, 2021

Leases

Summary of total lease cost

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Operating lease cost	$	87,601	$	84,065	$	262,183	$	250,721
Short-term operating lease cost		1,803		1,617		5,397		4,342
Variable operating lease cost		22,436		20,630		67,025		61,739
Sublease income		(1,177)		(1,235)		(3,560)		(3,597)
Total lease cost	$	110,663	$	105,077	$	331,045	$	313,205

Other lease related information

		For the Nine Months Ended
		September 30,
		2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities:
	Operating cash flows from operating leases	$	256,282	$	249,584
Right-of-use assets obtained in exchange for new operating lease liabilities			216,825		176,714