Stockholders' Equity

12 Months Ended

Sep. 30, 2017

Equity [Abstract]

Stockholders' Equity

13.    Stockholders’ Equity

Preferred Stock

Total number of shares of preferred stock authorized for issuance was 1,000,000 shares at September 30, 2017 and 2016, respectively. Preferred stock has a par value of $0.01 per share and may be issued at the discretion of the Board of Directors without stockholder approval with such designations, rights and preferences as the Board of Directors may determine. There were no shares of preferred stock issued or outstanding at September 30, 2017 or 2016, respectively.

Accumulated Other Comprehensive Income

The following is a summary of the components of accumulated other comprehensive income, net of tax, at September 30, 2017, 2016 and 2015 (in thousands):

			Unrealized
			Gains (Losses)
	Currency		on Available-		Pension
	Translation		for-Sale		Liability
	Adjustments		Securities		Adjustments		Total
Balance at September 30, 2014	$	16,102	$	(38)	$	(377)	$	15,687
Other comprehensive (loss) income before reclassifications		(9,426)		144		(605)		(9,887)
Amounts reclassified from accumulated other comprehensive income		(131)		(3)		232		98
Balance at September 30, 2015		6,545		103		(750)		5,898
Other comprehensive income (loss) before reclassifications		8,844		(231)		(322)		8,291
Amounts reclassified from accumulated other comprehensive income		—		125		852		977
Balance at September 30, 2016		15,389		(3)		(220)		15,166
Other comprehensive (loss) income before reclassifications		(221)		(10)		514		283
Amounts reclassified from accumulated other comprehensive income		—		12		(248)		(236)
Balance at September 30, 2017	$	15,168	$	(1)	$	46	$	15,213

Unrealized net holding gains (losses) on available-for-sale marketable securities are reclassified from accumulated other comprehensive income into results of operations at the time of the securities’ sale, as described in Note 4, "Marketable Securities.” Gains (losses) related to defined benefit pension plan settlements are reclassified from accumulated other comprehensive income into results of operations at the time of the settlement, as described in Note 12, "Postretirement Benefits.” Defined benefit pension plan curtailments are recognized as reclassifications from accumulated other comprehensive income and corresponding reductions in pension liabilities and net pension cost, as described in Note 12, "Postretirement Benefits.”

Losses related to currency translation adjustments were reclassified from accumulated other comprehensive income into results of operations upon liquidation of YBA joint venture during fiscal year ended September 30, 2015, as described in Note 7, "Equity Method and Other Investments".