Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Calculations of Net Loss Per Share

The calculations of net income (loss) per share were as follows:

	Three months ended June 30,					Six months ended June 30,
	2017			2016		2017			2016
	(Unaudited - In thousands, except per share data)
Basic:
Net income (loss)	$	(29,097	)	$	38,976	$	(51,194	)	$	23,524
Weighted average common shares outstanding	20,411			20,333		20,395			20,391
Net income (loss) per share	$	(1.43	)	$	1.92	$	(2.51	)	$	1.15
Diluted:
Net income (loss)	$	(29,097	)	$	38,976	$	(51,194	)	$	23,524
Interest on convertible senior debentures	—			1,119		—			2,229
Net income (loss) for dilutive share computation	(29,097		)	40,095		(51,194		)	25,753
Number of shares under in basic per share computation	20,411			20,333		20,395			20,391
Convertible senior debentures	—			3,034		—			3,034
Unvested restricted stock and DSUs	—			148		—			155
Employee stock options	—			24		—			22
Weighted average common shares outstanding	20,411			23,539		20,395			23,602
Net income (loss) per share	$	(1.43	)	$	1.70	$	(2.51	)	$	1.09