Stock-Based Compensation Plans (Schedule Of Executive Awards) (Details) $ in Millions	12 Months Ended
	Aug. 31, 2016 USD ($) shares
Fiscal 2016 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Number of Shares	161,892
OD Suite Award, Number of Shares	69,384
Fiscal 2015 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Number of Shares	78,723
OD Suite Award, Number of Shares	33,741
Fiscal 2014 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Number of Shares	62,592
Seven Habits Increased Award, Number of Shares	26,826
Fiscal 2013 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Number of Shares	47,661
Productivity Practice Award, Number of Shares	20,424
Fiscal 2012 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Number of Shares	74,271
Productivity Practice Award, Number of Shares	31,830
Tranche One [Member] | Fiscal 2016 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 36.0
EBITDA Award, Number of Shares	53,964
EBITDA Award, Tranche Status	not vested
OD Suite Award Goal | $	$ 107.0
OD Suite Award, Number of Shares	23,128
OD Suite Award, Tranche Status	not vested
Tranche One [Member] | Fiscal 2015 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 39.6
EBITDA Award, Number of Shares	26,241
EBITDA Award, Tranche Status	not vested
OD Suite Award Goal | $	$ 107.0
OD Suite Award, Number of Shares	11,247
OD Suite Award, Tranche Status	not vested
Tranche One [Member] | Fiscal 2014 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 37.0
EBITDA Award, Number of Shares	20,864
EBITDA Award, Tranche Status	not vested
Seven Habits Increased Award, Goal | $	$ 5.0
Seven Habits Increased Award, Number of Shares	8,942
Seven Habits Increased Award, Tranche Status	vested
Tranche One [Member] | Fiscal 2013 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 33.0
EBITDA Award, Number of Shares	15,887
EBITDA Award, Tranche Status	vested
Productivity Practice Award, Goal | $	$ 23.5
Productivity Practice Award, Number of Shares	6,808
Productivity Practice Award, Tranche Status	vested
Tranche One [Member] | Fiscal 2012 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 26.0
EBITDA Award, Number of Shares	24,757
EBITDA Award, Tranche Status	vested
Productivity Practice Award, Goal | $	$ 20.5
Productivity Practice Award, Number of Shares	10,610
Productivity Practice Award, Tranche Status	vested
Tranche Two [Member] | Fiscal 2016 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 40.0
EBITDA Award, Number of Shares	53,964
EBITDA Award, Tranche Status	not vested
OD Suite Award Goal | $	$ 116.0
OD Suite Award, Number of Shares	23,128
OD Suite Award, Tranche Status	not vested
Tranche Two [Member] | Fiscal 2015 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 45.5
EBITDA Award, Number of Shares	26,241
EBITDA Award, Tranche Status	not vested
OD Suite Award Goal | $	$ 118.0
OD Suite Award, Number of Shares	11,247
OD Suite Award, Tranche Status	not vested
Tranche Two [Member] | Fiscal 2014 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 43.0
EBITDA Award, Number of Shares	20,864
EBITDA Award, Tranche Status	not vested
Seven Habits Increased Award, Goal | $	$ 10.0
Seven Habits Increased Award, Number of Shares	8,942
Seven Habits Increased Award, Tranche Status	vested
Tranche Two [Member] | Fiscal 2013 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 40.0
EBITDA Award, Number of Shares	15,887
EBITDA Award, Tranche Status	not vested
Productivity Practice Award, Goal | $	$ 26.5
Productivity Practice Award, Number of Shares	6,808
Productivity Practice Award, Tranche Status	not vested
Tranche Two [Member] | Fiscal 2012 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 33.0
EBITDA Award, Number of Shares	24,757
EBITDA Award, Tranche Status	vested
Productivity Practice Award, Goal | $	$ 23.5
Productivity Practice Award, Number of Shares	10,610
Productivity Practice Award, Tranche Status	vested
Tranche Three [Member] | Fiscal 2016 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 44.0
EBITDA Award, Number of Shares	53,964
EBITDA Award, Tranche Status	not vested
OD Suite Award Goal | $	$ 125.0
OD Suite Award, Number of Shares	23,128
OD Suite Award, Tranche Status	not vested
Tranche Three [Member] | Fiscal 2015 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 52.3
EBITDA Award, Number of Shares	26,241
EBITDA Award, Tranche Status	not vested
OD Suite Award Goal | $	$ 130.0
OD Suite Award, Number of Shares	11,247
OD Suite Award, Tranche Status	not vested
Tranche Three [Member] | Fiscal 2014 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 49.0
EBITDA Award, Number of Shares	20,864
EBITDA Award, Tranche Status	not vested
Seven Habits Increased Award, Goal | $	$ 12.5
Seven Habits Increased Award, Number of Shares	8,942
Seven Habits Increased Award, Tranche Status	not vested
Tranche Three [Member] | Fiscal 2013 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 47.0
EBITDA Award, Number of Shares	15,887
EBITDA Award, Tranche Status	not vested
Productivity Practice Award, Goal | $	$ 29.5
Productivity Practice Award, Number of Shares	6,808
Productivity Practice Award, Tranche Status	not vested
Tranche Three [Member] | Fiscal 2012 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
EBITDA Award, Goal | $	$ 40.0
EBITDA Award, Number of Shares	24,757
EBITDA Award, Tranche Status	not vested
Productivity Practice Award, Goal | $	$ 26.5
Productivity Practice Award, Number of Shares	10,610
Productivity Practice Award, Tranche Status	not vested