Employee Benefit Plans (Obligations and Funded Status of Company's Pension Plans) (Details) - Pension Plan - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
Change in projected benefit obligation:
Projected benefit obligation, beginning of fiscal year	$ 520.4	$ 488.2
Service cost	9.5	6.0	$ 8.1
Interest cost	13.5	16.4	14.8
Plan amendments	0.0	1.2
Participant contributions	0.8	0.8
Actuarial loss	55.2	42.5
Currency exchange rates	12.8	(11.2)
Settlement	(10.7)	(10.5)
Net transfers	0.0	1.2
Benefits paid	(15.9)	(14.2)
Projected benefit obligation, end of fiscal year	585.6	520.4	488.2
Change in fair value of plan assets:
Fair value of plan assets, beginning of fiscal year	502.2	486.3
Actual return on plan assets	59.1	39.4
Company contributions	3.0	10.4
Participant contributions	0.8	0.8
Foreign currency exchange	12.1	(11.2)
Settlement	(10.7)	(10.5)
Net transfers	0.0	1.2
Benefits paid	(15.9)	(14.2)
Fair value of plan assets, end of fiscal year	550.6	502.2	$ 486.3
Funded status:
Projected benefit obligation in excess of plan assets, end of fiscal year	(35.0)	(18.2)
Amounts recognized on the Consolidated Balance Sheets consist of:
Other long-term assets	6.2	6.8
Other current liabilities	(1.5)	(1.5)
Other long-term liabilities	(39.7)	(23.5)
Net recognized liability	$ (35.0)	$ (18.2)