SHARE REPURCHASE PROGRAM (Schedule of Shares Repurchased) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Share Repurchase Program
Shares repurchased	1,475	1,484
Average price per share	$ 450.65	$ 386.71
Total investment	$ 664,533	$ 574,037

Number of shares that have been repurchased and retired during the period.

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-Name Accounting Standards Codification
-Topic 210
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration