Income Taxes (Income from Operations) (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Sep. 30, 2012	Oct. 02, 2011	Dec. 31, 2011	Jan. 02, 2011
Income (Loss) from Operations before Extraordinary Items [Abstract]
Income From Continuing Operations Before Income Taxes	$ 76,093	$ 57,031	$ 24,861	$ 103,440	$ 31,422	$ 80,171	$ 32,495	$ 157,985	$ 144,088	$ 247,528	$ 578,319

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 10

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration