Consolidated Statements of Shareholders' Equity - USD ($) $ in Millions		Total	Interest Rate Swaps [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Interest Rate Swaps [Member]	Retained Earnings [Member]
Balance Beginning at Jul. 03, 2021		$ 2,106.1		$ 1.3	$ 1,752.8	$ (5.3)		$ 357.3
Balance Beginning, shares at Jul. 03, 2021				132,500,000
Net income		4.7						4.7
Interest rate swaps		0.7	$ 1.1				$ 1.1
Foreign currency translation adjustment		(0.4)				(0.4)
Issuance of common stock under stock-based compensation plans		(4.9)			(4.9)
Issuance of common stock under stock-based compensation plans, shares				400,000
Conversion of Core-Mark shares of common stock		998.8		$ 0.2	998.6
Conversion of Core-Mark shares of common stock, shares				19,900,000
Conversion of Core-Mark stock-based compensation	[1]	9.2			9.2
Stock-based compensation expense		8.9			8.9
Balance Ending at Oct. 02, 2021		3,123.5		$ 1.5	2,764.6	(4.6)		362.0
Balance Ending, shares at Oct. 02, 2021				152,800,000
Balance Beginning at Jul. 02, 2022		$ 3,299.5		$ 1.5	2,816.8	11.4		469.8
Balance Beginning, shares at Jul. 02, 2022		153,600,000		153,600,000
Net income		$ 95.7						95.7
Interest rate swaps		3.9	$ 6.3				$ 6.3
Foreign currency translation adjustment		(2.4)				(2.4)
Issuance of common stock under stock-based compensation plans		(9.0)			(9.0)
Issuance of common stock under stock-based compensation plans, shares				400,000
Stock-based compensation expense		10.6			10.6
Balance Ending at Oct. 01, 2022		$ 3,400.7		$ 1.5	$ 2,818.4	$ 15.3		$ 565.5
Balance Ending, shares at Oct. 01, 2022		154,000,000.0		154,000,000.0

[1] Represents the portion of replacement stock-based compensation awards that relates to pre-combination vesting.