NOTES PAYABLE AND LONG-TERM DEBT (Details) - USD ($)		1 Months Ended
	Jun. 15, 2018	Mar. 31, 2021	Jan. 01, 2022	Oct. 02, 2021	Jul. 03, 2021	Apr. 03, 2021	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020
Debt Instrument [Line Items]
Stockholders' Equity Attributable to Parent			$ (730,775,000)	$ (698,549,000)	$ (677,080,000)	$ (731,670,000)	$ (719,152,000)	$ (667,923,000)	$ (608,569,000)	$ (587,109,000)
Deferred tax liability			(26,132,000)			(43,825,000)
Additional Paid-in Capital
Debt Instrument [Line Items]
Stockholders' Equity Attributable to Parent			(566,963,000)	(558,156,000)	(551,108,000)	(602,727,000)	(579,480,000)	(568,748,000)	(562,729,000)	(553,229,000)
Retained Earnings
Debt Instrument [Line Items]
Stockholders' Equity Attributable to Parent			(192,650,000)	$ (169,418,000)	$ (154,562,000)	(157,981,000)	$ (169,022,000)	$ (137,140,000)	$ (89,039,000)	$ (78,512,000)
Accounting Standards Update 2020-06
Debt Instrument [Line Items]
Deferred tax liability						20,000,000
Convertible Notes Payable, Noncurrent						80,300,000
Accounting Standards Update 2020-06 | Additional Paid-in Capital
Debt Instrument [Line Items]
Stockholders' Equity Attributable to Parent						61,200,000
Accounting Standards Update 2020-06 | Retained Earnings
Debt Instrument [Line Items]
Stockholders' Equity Attributable to Parent						$ (1,000,000)
Convertible Debt | Convertible Senior Notes Due 2026
Debt Instrument [Line Items]
Face amount of debt		$ 500,000,000	500,000,000
Stated rate (as a percent)		0.00%
Proceeds from Issuance of Debt		$ 486,700,000
Debt Instrument, Convertible, Carrying Amount of Liability Component		416,400,000
Debt Instrument, Convertible, Carrying Amount of Equity Component		$ 83,600,000
Debt Issuance Costs, Net			11,200,000
Credit Facilities
Debt Instrument [Line Items]
Principal repayments, fiscal 2022			4,400,000
Principal repayments, fiscal 2023			214,400,000
Principal repayments, fiscal 2024			70,000,000
Term Loan
Debt Instrument [Line Items]
Face amount of debt	$ 350,000,000
Debt outstanding			$ 288,800,000
Effective interest rate			1.90%
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 350,000,000
Revolving Credit Facility | LIBOR | Minimum
Debt Instrument [Line Items]
Interest rate	1.13%
Revolving Credit Facility | LIBOR | Maximum
Debt Instrument [Line Items]
Interest rate	1.75%
Uncommitted Operating Lines of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 24,700,000
Debt outstanding			$ 0