Enerpac Tool Group Corp. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Additional Information (Detail)

Employee Benefit Plans - Additional Information (Detail) (USD $)	12 Months Ended					12 Months Ended					12 Months Ended											12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2013 Other Current Liabilities and Other Long-term Liabilities	Aug. 31, 2012 Other Current Liabilities and Other Long-term Liabilities	Aug. 31, 2013 Maximum	Aug. 31, 2013 Minimum	Aug. 31, 2013 U.S. defined benefit pension plans	Aug. 31, 2012 U.S. defined benefit pension plans	Aug. 31, 2011 U.S. defined benefit pension plans	Aug. 31, 2013 Non-US Pension Plans, Defined Benefit	Aug. 31, 2012 Non-US Pension Plans, Defined Benefit	Aug. 31, 2011 Non-US Pension Plans, Defined Benefit	Aug. 31, 2013 Other post-retirement health benefits ("OPEB")	Aug. 31, 2012 Other post-retirement health benefits ("OPEB")	Aug. 31, 2011 Other post-retirement health benefits ("OPEB")	Aug. 31, 2013 Supplemental Executive Retirement Plan	Aug. 31, 2012 Supplemental Executive Retirement Plan	Aug. 31, 2013 Supplemental Executive Retirement Plan Maximum	Aug. 31, 2013 Supplemental Executive Retirement Plan Minimum	Jul. 31, 2006 Long Term Incentive Plan	Aug. 31, 2013 Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Pension plan actuarial gain losses, not yet recognized in net periodic benefit cost	$ (12,000,000)	$ (15,600,000)
Pension plan actuarial gain losses, expected to be recognized in net periodic benefit cost in 2013	(400,000)
Asset allocation in equity securities minimum																						60.00%
Asset allocation in equity securities maximum																						80.00%
Expected long term rate of return for assets								7.65%			4.60%
Amount of benefits expected to be paid, fiscal 2014								2,600,000
Amount of benefits expected to be paid, fiscal 2015								2,600,000
Amount of benefits expected to be paid, fiscal 2016								2,600,000
Amount of benefits expected to be paid, fiscal 2017								2,600,000
Amount of benefits expected to be paid, fiscal 2018								2,600,000
Amount of benefits expected to be paid, fiscal 2019 through 2023								14,900,000
Net periodic benefit costs (credit)	338,000	366,000	556,000								800,000	500,000	500,000	(200,000)	(200,000)	(200,000)
Weighted average discount rate for determining benefit obligation	4.90%	3.90%	5.00%								4.30%	4.00%
Define benefit plan Company contributions, year 2014											600,000			300,000
Benefit obligation								45,046,000	50,870,000	44,430,000	12,912,000	12,227,000		2,900,000	3,400,000
Health care cost trend rate														7.50%
Health care cost trending downward rate by 2018														5.00%
Maximum employee contribution to defined contribution benefit plans	50.00%
Maximum Company contribution to defined contribution benefit plans	3.00%
Employer matching contribution to employee contribution percentage	25.00%
Employee contribution percentage of eligible compensation						6.00%
Expense recognized related to defined contribution plan	4,500,000	5,100,000	4,600,000														600,000	700,000
Employer contribution to defined contribution benefit plans																			6.00%	3.00%
Deferred compensation liability				23,200,000	19,600,000
Expense on participant deferrals in fixed income investment option	1,600,000	1,500,000	1,200,000
Cost of stock held in trust for deferred compensation plan	1,900,000	1,500,000
Targeted common stock per share price appreciation to receive a lump sum cash incentive payment																					$ 50
Long term incentive plan expense (income)	300,000	100,000	100,000
Long term incentive plan liability	1,300,000	1,100,000
Payment for long term incentive plan						$ 10,000,000.0	$ 0