SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Advertising Cost Expensed [Table Text Block]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1)

Years ended December 31,	2020		2019		2018
(in thousands)
Advertising	$	86,314	$	81,174	$	69,875

Schedule Of Cash And Cash Equivalents Held In Foreign Bank Accounts [Table Text Block]

Disclosure- Summary Of Significant Accounting Policies (Details 2)

At December 31,	2020		2019		2018
(in thousands) (in US dollars)
Cash held in foreign bank accounts	$	71,330	$	74,094	$	53,613

Schedule Of Depreciation And Amortization Expense [Table Text Block]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3

Years ended December 31,	2020		2019		2018
(in thousands)
Depreciation	$	40,623	$	36,646	$	30,364

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 4)

Years Ended December 31,	2020			2019			2018
Net income available to stockholders	$	260,824		$	203,347		$	231,663
Less dividends paid:
Common stock		(159,524	)		(152,793	)		(151,458	)
Restricted shares of common stock		(963	)		(1,042	)		(1,284	)
Undistributed earnings for the period	$	100,337		$	49,512		$	78,921
Allocation of undistributed earnings:
Common stock		99,676			49,144			78,255
Restricted shares of common stock		661			368			666
Basic and diluted shares outstanding:
Common stock		488,365			487,569			486,794
Restricted shares of common stock		3,240			3,647			4,143
		491,605			491,216			490,937
Basic and diluted earnings per share:
Common stock:
Distributed earnings	$	0.33		$	0.31		$	0.31
Undistributed earnings		0.20			0.10		$	0.16
	$	0.53		$	0.41		$	0.47
Restricted shares of common stock:
Distributed earnings	$	0.30		$	0.29		$	0.31
Undistributed earnings		0.20			0.10			0.16
	$	0.50		$	0.39		$	0.47

Financing Receivable, Current, Allowance for Credit Loss [Table Text Block]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5)

	Allowance for Expected Credit Losses
	Trade Receivables			Financed Receivables			Total Receivables
Balance at January 1, 2020	$	16,699		$	2,959		$	19,658
Adoption of ASC 326		(3,330	)		—			(3,330	)
Adjusted balance at January 1, 2020		13,369			2,959			16,328
Provision for expected credit losses		14,699			2,837			17,536
Write-offs charged against the allowance		(18,228	)		(2,565	)		(20,793	)
Recoveries collected		7,014			—			7,014
Balance at December 31, 2020	$	16,854		$	3,231		$	20,085