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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions				3 Months Ended						9 Months Ended
	May 20, 2019	Feb. 28, 2019	Dec. 12, 2018	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Jun. 29, 2019	Jun. 30, 2018	Jan. 31, 2019	Jul. 10, 2018	Aug. 15, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description Of Maximum Percentage Of Employee Contributions and Matching Contributions Based Upon Years Of Service										employee contributions and matching Company contributions from 4% to 6%
Stock repurchase program, authorized amount												$ 300,000	$ 200,000	$ 100,000
Shares repurchased in period (shares)				(1.5)						(4.0)
Value of shares acquired				$ 33,177	$ 26,922	$ 25,485	$ 42,584	$ 21,470	$ 3,280	$ 85,600
Remaining repurchase authorized amount				112,100						112,100
Cash dividends declared per share (in dollars per share)	$ 0.12	$ 0.12	$ 0.12
Dividend payment				$ (7,800)						$ (23,902)	$ 0
Relative Total Shareholder Return Average Stock Price Calculation Period										90 days
Total Shareholder Return Award Performance Measurement Period										3 years
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay										4.00%
Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage				0.00%						0.00%
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay										6.00%
Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage				200.00%						200.00%
Equity Incentive Plan 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant				4.0						4.0

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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