ACQUISITIONS (Tables)

12 Months Ended

Sep. 30, 2012

Schedule of Purchase Price Allocation [Table Text Block]

The following table summarizes the fair values of the assets acquired as of the date of the acquisition and the amounts assigned to goodwill and intangible asset classifications:

Inventory	$	3,673
PP&E		416
Goodwill		4,655
Amortizable intangible assets		11,077
Indefinite life intangible assets		2,611
Total assets acquired	$	22,432

Schedule of Intangible Assets and Goodwill [Table Text Block]

The amounts assigned to goodwill and major intangible asset classifications, all of which are tax deductible, for the Southern Patio acquisition are as follows:

			Amortization Period (Years)
Goodwill	$	4,655		N/A
Tradenames		2,611		Indefinite
Customer relationships		11,077		25
	$	18,343

Schedule Of Pro Forma Information And Net Earnings [Table Text Block]

The following unaudited pro forma information illustrates the effect on Griffon’s revenue and net earnings for the twelve-month period ended September 30, 2010, assuming that the acquisition of ATT had taken place on October 1, 2009.

	Year Ended September 30, 2010
Revenue from continuing operations:
As reported	$	1,293,996
Pro forma		1,737,630
Net earnings from continuing operations:
As reported	$	9,504
Pro forma		16,885
Diluted earnings per share from continuing operations:
As reported	$	0.16
Pro forma		0.28
Average shares - Diluted (in thousands)		59,993