Debt Debt (Tables)

12 Months Ended

Dec. 31, 2011

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

The components of our borrowings are as follows:

	December 31, 2011			December 31, 2010
	(in thousands)
2011 credit facility
USD denominated term loan	$	292,502		$	—
Multicurrency revolving line of credit	160,000			—
2007 credit facility
USD denominated term loan	—			218,642
EUR denominated term loan	—			174,031
Convertible senior subordinated notes	—			218,268
Total debt	452,502			610,941
Current portion of long-term debt	(15,000		)	(228,721		)
Long-term debt	$	437,502		$	382,220

Schedule of Long-Term Debt Repayments [Table Text Block]

Total credit facility repayments were as follows:

	Year Ended December 31,
	2011		2010		2009
	(in thousands)
2011 credit facility term loan	$	7,500	$	—	$	—
2011 credit facility multicurrency revolving line of credit	40,000		—		—
2007 credit facility term loans	406,950		155,163		166,545
2007 credit facility revolving line of credit(1)	170,000		—		—
Total credit facility repayments	$	624,450	$	155,163	$	166,545

⁽¹⁾ See repayment of the convertible senior subordinated notes below.

Prepaid Debt Fees and Accrued Interest Expense [Table Text Block]

Unamortized prepaid debt fees were as follows:

	December 31, 2011		December 31, 2010
	(in thousands)
Unamortized prepaid debt fees	$	6,027	$	4,483

Carrying Amounts of Debt and Equity Component [Table Text Block]

The discount on the liability component was fully amortized in the second quarter of 2011. The carrying amounts of the debt and equity components were as follows:

	December 31, 2011		December 31, 2010
	(in thousands)
Face value of convertible notes	$	—	$	223,604
Unamortized discount	—		(5,336		)
Net carrying amount of debt component	$	—	$	218,268
Carrying amount of equity component	$	31,831	$	31,831

Schedule of Interest Expense On Liability Components [Table Text Block]

The interest expense relating to both the contractual interest coupon and amortization of the discount on the liability component is as follows:

	Year Ended December 31,
	2011		2010		2009
	(in thousands)
Contractual interest coupon	$	3,420	$	5,590	$	5,839
Amortization of the discount on the liability component	5,336		10,099		9,673
Total interest expense on convertible notes	$	8,756	$	15,689	$	15,512

Schedule of Maturities of Long-term Debt [Table Text Block]

Minimum Payments on Debt

	Minimum Payments
	(in thousands)
2012	$	15,000
2013	18,750
2014	26,250
2015	30,000
2016	362,502
Total minimum payments on debt	$	452,502