Stockholders' Equity AOCI Change (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Balance as of January 1, 2013	$ (21,071)
Other comprehensive income before reclassifications	33
Amounts reclassified from accumulated other comprehensive loss, net of tax (a)	345
Net current period other comprehensive income	378
Balance as of March 31, 2013	(20,693)
Defined Benefit Pension and Postretirement Items
Balance as of January 1, 2013	(18,749)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive loss, net of tax (a)	345
Net current period other comprehensive income	345
Balance as of March 31, 2013	(18,404)
Foreign Currency Items
Balance as of January 1, 2013	(2,322)
Other comprehensive income before reclassifications	33
Amounts reclassified from accumulated other comprehensive loss, net of tax (a)	0
Net current period other comprehensive income	33
Balance as of March 31, 2013	$ (2,289)