TREASURY STOCK ACTIVITY - SCHEDULE OF TREASURY STOCK ACTIVITY (Details) - USD ($) $ in Thousands		6 Months Ended
	Feb. 14, 2022	Jul. 03, 2022
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired		1,679,000
Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture		(541,377)
Treasury Stock Change in Shares		1,137,623
Stock Repurchased During Period, Value		$ 355,271
Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture		(22,527)
Treasury Stock Change in Value		$ 332,744
Hershey Trust Company
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired	1,000,000
Stock Repurchased During Period, Value	$ 203,350
Employee stock options
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired		679,000
Stock Repurchased During Period, Value		$ 151,921
Hershey Common Stock | Hershey Trust Company
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired		1,000,000
Stock Repurchased During Period, Value		$ 203,350