The following tables summarize the components of our shareholders’ equity (deficit) and the changes therein as of and for the three months ended March 31, 2016 and 2015:



	As of												As of
	December 31,						Dividends			All Other			March 31,
	2015			Net Loss			Declared			Changes ¹			2016
Preferred stock ²	$	3,146		$	—		$	—		$	(1,044	)	$	2,102
Common stock ²	628			—			—			57			685
Paid-in capital ²	1,211,088			—			—			386			1,211,474
Accumulated deficit	(2,130,271		)	(33,473		)	—			—			(2,163,744		)
Deferred compensation obligation	3,440			—			—			—			3,440
Accumulated other comprehensive income ³	422			—			—			(27		)	395
Treasury stock	(3,574		)	—			—			—			(3,574		)
	$	(915,121	)	$	(33,473	)	$	—		$	(628	)	$	(949,222	)

	As of												As of
	December 31,						Dividends			All Other			March 31,
	2014			Net Income			Declared ⁴			Changes ¹			2015
Preferred stock	$	4,044		$	—		$	—		$	—		$	4,044
Common stock	529			—			—			—			529
Paid-in capital	1,206,305			—			—			989			1,207,294
Accumulated deficit	(535,176		)	(57,165		)	(6,067		)	—			(598,408		)
Deferred compensation obligation	3,211			—			—			56			3,267
Accumulated other comprehensive income ³	249			—			—			(11		)	238
Treasury stock	(3,345		)	—			—			(55		)	(3,400		)
	$	675,817		$	(57,165	)	$	(6,067	)	$	979		$	613,564

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¹ Includes equity-classified share-based compensation of $(602) and $990 for the three months ended March 31, 2016 and 2015, respectively.

² A total of 52 shares, or 5,159 depositary shares, of our Series A 6% Convertible Perpetual Preferred Stock (the “Series A Preferred Stock”) were converted into 85,982 shares of our common stock during the three months ended March 31, 2016. A total of 9,188 shares, or 918,800 depositary shares, of our Series B 6% Convertible Perpetual Preferred Stock (the “Series B Preferred Stock”) were converted into 5,009,017 shares of our common stock during the three months ended March 31, 2016. No Series A Preferred Stock or Series B Preferred Stock was converted during the three months ended March 31, 2015.

³ Accumulated other comprehensive income (“AOCI”) is entirely attributable to our defined benefit pension and postretirement health care plans. The changes in the balance of AOCI for the three months ended March 31, 2016 and 2015 represent reclassifications from AOCI to net periodic benefit expense, a component of General and administrative expenses, of $(27) and $(17) and are presented above net of taxes of $0 and $(6), respectively.

⁴ Includes dividends declared of $150.00 per share on the Series A Preferred Stock for the three months ended March 31, 2015, and $150.00 per share on the Series B Preferred Stock for the three months ended March 31, 2015.