Goodwill

3 Months Ended

Dec. 31, 2013

Goodwill Disclosure [Abstract]

Goodwill disclosure

6.       GOODWILL

Changes to the carrying amount of consolidated goodwill by segment for the three months ended 31 December 2013 are as follows:

						Electronics and
		Merchant		Tonnage		Performance
		Gases		Gases		Materials		Total
Balance at 30 September 2013	$	1,192.0	$	15.2	$	446.6	$	1,653.8
Acquisitions and adjustments		-		-		-		-
Currency translation and other		(12.6)		.5		1.2		(10.9)
Balance at 31 December 2013	$	1,179.4	$	15.7	$	447.8	$	1,642.9

Goodwill is subject to impairment testing at least annually. In addition, goodwill is tested more frequently if a change in circumstances or the occurrence of events indicates that potential impairment exists.