STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION (Details - Chairman and Chief Executive Officer Grants) - USD ($)			3 Months Ended		9 Months Ended
	Jul. 26, 2017	Jul. 25, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	May 24, 2017
STOCK-BASED COMPENSATION
Target grant date value of performance based equity compensation		$ 87,500,000
Percentage, Target grant date value of performance based equity compensation, Restricted stock awards		25.00%
Percentage, Target grant date value of performance based equity compensation, Nonqualified stock options		75.00%
Targeted total shareholder return performance, Nonqualified stock options		110.00%
Total non-cash compensation			$ 7,938,000	$ 2,348,000	$ 13,068,000	$ 7,410,000
Annaul grant limit per employee, Shares					672,500
Future issuance of performance based equity compensation, Nonqualified stock options, Target		58,010
Stock options, Shares
Granted (in shares)	402,694
Stock options, Weighted Average Exercise Price
Granted (in dollars per share)	$ 183.80
Stock options, Grant Date Fair Value Valuation
Grant date fair value					$ 93.26
Share price			$ 244.45		$ 244.45		$ 156.70
Maximum
STOCK-BASED COMPENSATION
Targeted total shareholder return performance, Nonqualified stock options		167.00%
Stock options, Shares
Granted (in shares)	672,499
Minimum
STOCK-BASED COMPENSATION
Targeted total shareholder return performance, Nonqualified stock options		70.00%
Performance Options [Member]
STOCK-BASED COMPENSATION
Total non-cash compensation			$ 400,000
Stock options, Shares
Outstanding at the beginning of the period (in shares)					0
Granted (in shares)					402,694
Exercised (in shares)					0
Forfeited (in shares)					0
Expired (in shares)					0
Outstanding at the end of the period (in shares)			402,694		402,694
Options exercisable at the end of the period (in shares)			0		0
Stock options, Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)					$ 0.00
Granted (in dollars per share)					183.80
Exercised (in dollars per share)					0.00
Forfeited (in dollars per share)					0.00
Expired (in dollars per share)					0.00
Outstanding at the end of the period (in dollars per share)			$ 183.80		183.80
Options exercisable at the end of the period (in dollars per share)			$ 0.00		$ 0.00
Stock options, Weighted Average Remaining Contractual Term
Outstanding at the end of the period					9 years 9 months 25 days
Options exercisable at the end of the period					0 years
Stock options, Aggregate Intrinsic Value
Outstanding at the end of the period			$ 24,423,000		$ 24,423,000
Options exercisable at the end of the period			0		$ 0
Stock options, Grant Date Fair Value Valuation
Grant date fair value					$ 142.45
Expected dividends					$ 0
Expected dividend rate					0.00%
Expected volatility, minimum					50.00%
Expected volatility, maximum					50.00%
Risk-free interest rate, minimum					2.12%
Risk-free interest rate, maximum					2.12%
Performance Options [Member] | Maximum
Stock options, Grant Date Fair Value Valuation
Expected term					P7Y6M0D
Performance Options [Member] | Minimum
Stock options, Grant Date Fair Value Valuation
Expected term					P7Y6M0D
Performance Shares [Member]
STOCK-BASED COMPENSATION
Granted (in shares)		119,015			53,306
Maximum potential future issuance of performance based equity compensation, Nonqualified stock options		769,376
Total non-cash compensation			1,300,000
Employee stock options
STOCK-BASED COMPENSATION
Total non-cash compensation			$ 2,000,000
Employee stock options | Maximum
Stock options, Grant Date Fair Value Valuation
Grant date fair value
Employee stock options | Minimum
Stock options, Grant Date Fair Value Valuation
Grant date fair value