Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2011

Shareholders' Equity [Abstract]

Schedule Of Changes In Equity

(Dollars in thousands)	Three Months Ended September 30,						Nine Months Ended September 30,
	2011			2010			2011		2010
Net income (loss)	$	29,128		$	(8,228	)	$	65,472	$	1,598
Other comprehensive income (loss):
Foreign currency translation adjustment		(1,226	)		799			477		(1,639	)
Unrealized gain (loss) on available-for-sale
security, net of deferred tax of $7, $5,
$21, and $17, respectively		12			(8	)		33		26
Employee benefit plans, net of deferred tax of
$976, $812, $2,928,  and $4,699,
respectively		1,527			1,268			4,581		6,058
Comprehensive income (loss)	$	29,441		$	(6,169	)	$	70,563	$	6,043