Fair Value of Financial Instruments (Tables)

3 Months Ended

Sep. 25, 2022

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Carried at Fair Value

The following table sets forth financial instruments carried at fair value within the U.S. GAAP hierarchy:

	September 25, 2022				June 26, 2022
(in millions of U.S. Dollars)	Level 1	Level 2	Level 3	Total	Level 1	Level 2	Level 3	Total
Cash equivalents:
Money market funds	$123.1	$—	$—	$123.1	$115.9	$—	$—	$115.9
U.S. treasury securities	117.7	—	—	117.7	69.0	—	—	69.0
Commercial paper	—	41.9	—	41.9	—	59.4	—	59.4
Corporate bonds	—	0.7	—	0.7	—	—	—	—
Total cash equivalents	240.8	42.6	—	283.4	184.9	59.4	—	244.3
Short-term investments:
Corporate bonds	—	416.9	—	416.9	—	448.0	—	448.0
Municipal bonds	—	150.7	—	150.7	—	162.2	—	162.2
U.S. treasury securities	55.3	—	—	55.3	65.8	—	—	65.8
Variable rate demand notes	—	50.8	—	50.8	—	69.4	—	69.4
U.S. agency securities	—	1.9	—	1.9	—	3.9	—	3.9
Total short-term investments	55.3	620.3	—	675.6	65.8	683.5	—	749.3
Total cash equivalents and short-term investments	$296.1	$662.9	$—	$959.0	$250.7	$742.9	$—	$993.6