Revenue (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Revenue (Narrative) (Details) - USD ($) $ in Millions	Aug. 31, 2025	Aug. 31, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue	$ 111.7	$ 107.9
Remaining performance obligations	184.4
Other Long-Term Liabilities [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue	$ 5.1	6.7
Minimum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Receivables collection period	30 days
Maximum [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Receivables collection period	150 days
Direct Sales Commissions [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized contract cost	$ 17.6	16.4
Direct Sales Commissions [Member] \| Other Current Assets [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized contract cost	15.3	14.8
Direct Sales Commissions [Member] \| Other Long-Term Liabilities [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized contract cost	2.3	1.6
Obtain Revenue Contracts [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized contract cost	23.9
Selling, General, And Administrative Expense [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Capitalized contract cost, amortized	22.7
Subscription Offerings [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue	111.7
Subscription [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue recognized	$ 147.9	$ 147.9

FRANKLIN COVEY CO 10-K