CAPITAL STOCK - STOCK OPTIONS AND RESTRICTED STOCK (Details)	9 Months Ended
Sep. 30, 2021 $ / shares shares
Options/Awards/Units Granted
Stock options (in shares) \| shares	54,300
Weighted-Average Grant Date Fair Value (per option/award)
Stock options (in dollars per share) \| $ / shares	$ 78.19
Restricted Stock
Options/Awards/Units Granted
Restricted stock awards (in shares) \| shares	243,369
Weighted-Average Grant Date Fair Value (per option/award)
Restricted stock awards (in dollars per share) \| $ / shares	$ 207.24
Restricted Stock Units (RSUs)
Options/Awards/Units Granted
Restricted stock awards (in shares) \| shares	6,000
Weighted-Average Grant Date Fair Value (per option/award)
Restricted stock awards (in dollars per share) \| $ / shares	$ 172.11

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Net number of share options (or share units) granted during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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