Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2012

Long-Term Debt [Abstract]

Liability and equity of component of convertible senior debentures

The carrying values of the liability and equity components of the convertible debentures due 2041 are reflected in the Company’s consolidated condensed balance sheets as follows:

	March 31, 2012			December 31, 2011
Liability component:
Principal amount of the debentures	$	150,000		$	150,000
Unamortized discount		(99,639	)		(99,843	)
Embedded derivative		317			392
Carrying value of liability component	$	50,678		$	50,549
Equity component - net carrying value	$	62,246		$	62,246

The carrying values of the liability and equity components of the convertible debentures due 2040 are reflected in the Company’s consolidated condensed balance sheets as follows:

	March 31, 2012			December 31, 2011
Liability component:
Principal amount of the debentures	$	275,000		$	275,000
Unamortized discount		(176,724	)		(177,131	)
Embedded derivative		490			594
Carrying value of liability component	$	98,766		$	98,463
Equity component - net carrying value	$	110,094		$	110,094

Schedule of long-term debt instruments

Long-term debt consists of the following:

	March 31, 2012		December 31, 2011
Credit facility	$	145,000	$	155,000
Exchangeable unsecured notes, due 2102		95,042		95,042
Convertible senior debentures, due 2040		98,766		98,463
Convertible senior debentures, due 2041		50,678		50,549
		389,486		399,054
Less current portion		-		-
	$	389,486	$	399,054

Convertible debentures, interest expense

Interest expense related to the convertible debentures due 2041 is reflected on the consolidated condensed statement of operations as follows:

	Fiscal quarter ended
	March 31, 2012
Contractual coupon interest	$	844
Non-cash amortization of debt discount		204
Non-cash amortization of deferred financing costs		12
Non-cash change in value of derivative liability		(75	)
Total interest expense related to the debentures	$	985

Interest expense related to the convertible debentures due 2040 is reflected on the consolidated condensed statements of operations as follows:

	Fiscal quarters ended
	March 31, 2012			April 2, 2011
Contractual coupon interest	$	1,547		$	1,547
Non-cash amortization of debt discount		407			376
Non-cash amortization of deferred financing costs		22			22
Non-cash change in value of derivative liability		(104	)		(61	)
Total interest expense related to the debentures	$	1,872		$	1,884