(5) Debt Early Extinguishment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended		0 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012 Senior Notes [Member]	Jul. 01, 2012 Prior Long Term Debt [Member]	Jul. 16, 2012 Subsequent Event [Member]	Jul. 16, 2012 Subsequent Event [Member] Senior Notes [Member]	Jul. 16, 2012 Subsequent Event [Member] Prior Long Term Debt [Member]
Extinguishment of Debt [Line Items]
Premium payment to redeem Senior Notes					$ 10,093			$ 33,058
Unaccreted discount					2,086	1,695		7,186	0
Deferred costs					2,796	8,525		9,562	0
Loss on early extinguishment of debt	$ (25,195)	$ 0	$ (25,195)	$ 0			$ (49,806)