BONDS AVAILABLE-FOR-SALE (Details 1) (USD $) In Thousands, unless otherwise specified	Jul. 03, 2013	Jun. 30, 2013	Dec. 31, 2012
Amortized Cost - Non-Amortizing:
Amortized Cost, Due in less than one year	$ 0	$ 0
Amortized Cost, Due between one and five years	0	0
Amortized Cost, Due between five and ten years	0	0
Amortized Cost, Due after ten years	1,560	1,560
Amortized Cost - Amortizing:
Amortized Cost, Due at stated maturity dates between December 2013 and June 2056	172,230	775,523
Amortized Cost, Total	173,790	777,083
Fair Value - Non-Amortizing:
Fair Value, Due in less than one year	0	0
Fair Value, Due between one and five years	0	0
Fair Value, Due between five and ten years	0	0
Fair Value, Due after ten years	3,462	3,462
Fair Value - Amortizing:
Fair Value, Due at stated maturity dates between December 2013 and June 2056	213,878	892,860
Fair Value, Total	$ 217,340	$ 896,322	$ 969,394