Shareholders' Equity Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2012

Other Comprehensive Income (Loss) [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The changes in the components of accumulated other comprehensive income (loss), net of tax, were as follows:

	Foreign Currency Translation Adjustments			Net Unrealized Gain (Loss) on Derivative Instruments				Net Unrealized Gain (Loss) on Nonderivative Instruments				Pension Plan Benefit Liability Adjustments			Accumulated Other Comprehensive Income (Loss)
	(in thousands)
Balances at January 1, 2010	$	98,165		$	(8,961	)		$	(21,339	)		$	3,265		$	71,130
Current period other comprehensive income (loss)	(124,191		)	4,441			—	15,825			—	(2,179		)	(106,104		)
Balances at December 31, 2010	$	(26,026	)	$	(4,520	)		$	(5,514	)		$	1,086		$	(34,974	)
Current period other comprehensive income (loss)	1,308			4,520				(8,866		)		852			(2,186		)
Balances at December 31, 2011	$	(24,718	)	$	—			$	(14,380	)		$	1,938		$	(37,160	)
Current period other comprehensive income (loss)	21,405			(1,689		)		—				(16,940		)	2,776
Balances at December 31, 2012	$	(3,313	)	$	(1,689	)		$	(14,380	)		$	(15,002	)	$	(34,384	)

Income Tax (Provision) Benefit Related To OCI [Table Text Block]

The before-tax amount, income tax (provision) benefit, and net-of-tax amount related to each component of other comprehensive income (loss) during the reporting periods were as follows:

	Year Ended December 31,
	2012			2011			2010
	(in thousands)
Before-tax amount
Foreign currency translation adjustment	$	28,002		$	1,101		$	(121,031	)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	(2,725		)	3,054			(4,541		)
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	—			(14,278		)	25,760
Net hedging (gain) loss reclassified into net income (loss)	—			4,200			11,829
Pension plan benefits liability adjustment	(24,358		)	717			(3,074		)
Total other comprehensive income (loss), before tax	919			(5,206		)	(91,057		)
Tax (provision) benefit
Foreign currency translation adjustment	(6,597		)	207			(3,160		)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	1,036			(1,145		)	1,611
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	—			5,412			(9,935		)
Net hedging (gain) loss reclassified into net income (loss)	—			(1,589		)	(4,458		)
Pension plan benefits liability adjustment	7,418			135			895
Total other comprehensive income (loss) tax (provision) benefit	1,857			3,020			(15,047		)
Net-of-tax amount
Foreign currency translation adjustment	21,405			1,308			(124,191		)
Net unrealized gain (loss) on derivative instruments designated as cash flow hedges	(1,689		)	1,909			(2,930		)
Net unrealized gain (loss) on a nonderivative net investment hedging instrument	—			(8,866		)	15,825
Net hedging (gain) loss reclassified into net income (loss)	—			2,611			7,371
Pension plan benefits liability adjustment	(16,940		)	852			(2,179		)
Total other comprehensive income (loss), net of tax	$	2,776		$	(2,186	)	$	(106,104	)