Debt and Credit Sources (Tables)

6 Months Ended

Jun. 30, 2013

Debt Instrument [Line Items]

Schedule of Maturities of Debt [Table Text Block]

The following table summarizes the Company's outstanding debt as of June 30, 2013 and the related maturity dates:

			Payments Due by Period
(In thousands)	Face Value		2013 (remaining six months)		2014		2015		2016		2017		Beyond 2017
Convertible debt:
0.75% debentures due 2018	$	300,000	$	—	$	—	$	—	$	—	$	—	$	300,000
4.50% debentures due 2015	250,000		—		—		250,000		—		—		—
4.75% debentures due 2014	230,000		—		230,000		—		—		—		—
0.75% debentures due 2015	79		—		—		79		—		—		—
IFC mortgage loan	70,000		7,500		15,000		15,000		15,000		15,000		2,500
CEDA loan	30,000		—		—		—		—		—		30,000
Other debt (1)	57,901		422		1,901		1,787		1,686		1,690		50,415
	$	937,980	$	7,922	$	246,901	$	266,866	$	16,686	$	16,690	$	382,915

(1) The balance of Other debt excludes payments related to capital leases which are disclosed in Note 7. "Commitments and Contingencies" to these condensed consolidated financial statements.

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

The following table summarizes the Company's outstanding convertible debt:

	June 30, 2013						December 30, 2012
(In thousands)	Carrying Value		Face Value		Fair Value (1)		Carrying Value		Face Value		Fair Value (1)
Convertible debt:
0.75% debentures due 2018	$	300,000	$	300,000	$	310,272	$	—	$	—	$	—
4.50% debentures due 2015	216,938		250,000		292,165		208,550		250,000		228,750
4.75% debentures due 2014	230,000		230,000		245,691		230,000		230,000		218,960
0.75% debentures due 2015	79		79		79		79		79		79
	$	747,017	$	780,079	$	848,207	$	438,629	$	480,079	$	447,789

(1) The fair value of the convertible debt was determined using Level 1 inputs based on quarterly market prices as reported by an independent pricing source.

The Company's outstanding convertible debentures are senior, unsecured obligations of the Company, ranking equally with all existing and future senior unsecured indebtedness of the Company.

IFC Mortgage Loan [Member]

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

The Company's outstanding borrowings under the mortgage loan agreement with IFC on its Condensed Consolidated Balance Sheets are as follows:

	As of
(In thousands)	June 30, 2013		December 30, 2012
Short-term debt	$	15,000	$	12,500
Long-term debt	55,000		62,500
	$	70,000	$	75,000

CEDA Loan [Member]

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

The Company's outstanding borrowings under the loan agreement with CEDA on its Condensed Consolidated Balance Sheets is as follows:

	As of
(In thousands)	June 30, 2013		December 30, 2012
Long-term debt	$	30,000	$	30,000

Credit Agricole Revolving Credit Facility [Member]

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

The Company's outstanding borrowings under the revolving credit facility with Credit Agricole on its Condensed Consolidated Balance Sheets is as follows:

	As of
(In thousands)	June 30, 2013		December 30, 2012
Long-term debt	$	—	$	275,000

Other Debt Obligations [Member]

Debt Instrument [Line Items]

Schedule of Debt [Table Text Block]

The Company's other outstanding borrowings on its Condensed Consolidated Balance Sheets are as follows:

	As of
(In thousands)	June 30, 2013		December 30, 2012
Short-term debt	$	496	$	134
Long-term debt	57,405		1,234
	$	57,901	$	1,368