Unaudited Financial Information (Table)

9 Months Ended

Jun. 30, 2015

Significant regulatory assets and liabilities as of June 30, 2015 and September 30, 2014 included the following:



	June 30, 2015		September 30, 2014
	(In thousands)
Regulatory assets:
Pension and postretirement benefit costs⁽¹⁾	$	149,202	$	162,777
Merger and integration costs, net	4,327		4,730
Deferred gas costs	1,494		20,069
Rate case costs	1,354		3,757
Infrastructure Mechanisms⁽²⁾	24,228		26,948
APT annual adjustment mechanism	—		8,479
Recoverable loss on reacquired debt	16,959		18,877
Other	4,944		4,672
	$	202,508	$	250,309
Regulatory liabilities:
Deferred gas costs	$	81,134	$	35,063
Deferred franchise fees	747		5,268
Regulatory cost of removal obligation	486,672		490,448
Other	12,810		14,980
	$	581,363	$	545,759


⁽¹⁾	Includes $15.8 million and $18.8 million of pension and postretirement expense deferred pursuant to regulatory authorization.


⁽²⁾	Infrastructure mechanisms in Texas and Louisiana allow for the deferral of all expenses associated with capital expenditures incurred pursuant to these rules, including the recording of interest expense, until the next rate proceeding (rate case or annual rate filing), at which time investment and costs would be recoverable through base rates.