Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2016

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,
	2016		2015			2016		2015
	(Unaudited - In thousands, except per share data)
Basic:
Net income (loss)	$	38,976	$	(19,022	)	$	23,524	$	(33,625	)
Weighted average common shares outstanding	20,333		20,895			20,391		20,878
Net income (loss) per share	$	1.92	$	(0.91	)	$	1.15	$	(1.61	)
Diluted:
Net income (loss)	$	38,976	$	(19,022	)	$	23,524	$	(33,625	)
Interest on convertible senior debentures	1,119		—			2,229		—
Net income (loss) for dilutive share computation	$	40,095	$	(19,022	)	$	25,753	$	(33,625	)
Number of shares used in basic per share computation	20,333		20,895			20,391		20,878
Convertible senior debentures	3,034		—			3,034		—
Unvested restricted stock and DSUs	148		—			155		—
Employee stock options	24		—			22		—
Weighted average common shares outstanding	23,539		20,895			23,602		20,878
Net income (loss) per share	$	1.70	$	(0.91	)	$	1.09	$	(1.61	)