Consolidated Statement of Shareholders' Equity Statement (USD $) In Thousands	Total	Common Stock	Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income
Balances at Dec. 31, 2010	$ 112,320	$ 340	$ 531,030	$ (465,110)	$ 46,060
Comprehensive Income:
Net income	47,110			47,110
Amortization of defined benefit plan deferred losses (net of tax of $0.1 million) (Note 13)	170				170
Foreign currency translation	(3,990)				(3,990)
Amortization of unrealized loss on interest rate swaps (net of $0.1 million) (Note 8)	230				230
Total comprehensive income	43,520
Shares surrendered upon vesting of options and restricted stock awards to cover tax obligations	(830)		(830)
Stock option exercises and restricted stock vesting	960		960
Excess tax benefits from stock based compensation	3,840		3,840
Non-cash compensation expense	2,580		2,580
Balances at Sep. 30, 2011	$ 162,390	$ 340	$ 537,580	$ (418,000)	$ 42,470