Restatement of Condensed Consolidated Financial Statements (Unaudited) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended				12 Months Ended				3 Months Ended	9 Months Ended	12 Months Ended																3 Months Ended
	Sep. 28, 2012	Sep. 30, 2011		Sep. 28, 2012	Sep. 30, 2011		Sep. 30, 2011 Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2011 Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2010 Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2009 Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2008 Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Sep. 30, 2011 Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Sep. 30, 2011 Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2011 Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2010 Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2009 Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2008 Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2011 Retained Earnings [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2010 Retained Earnings [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2011 Mexican Subsidiary [Member] Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2010 Mexican Subsidiary [Member] Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2009 Mexican Subsidiary [Member] Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2011 Mexican Subsidiary [Member] Property, Plant and Equipment [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2010 Mexican Subsidiary [Member] Property, Plant and Equipment [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2009 Mexican Subsidiary [Member] Property, Plant and Equipment [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2009 Mexican Subsidiary [Member] Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2011 Mexican Subsidiary [Member] Retained Earnings [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2010 Mexican Subsidiary [Member] Retained Earnings [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2009 Mexican Subsidiary [Member] Retained Earnings [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2007 Acquisition of PDIC [Member] Goodwill [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Dec. 31, 2007 Acquisition of PDIC [Member] Inventory [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]
Quantifying misstatement, amount							$ 43.2	$ 40.0	$ 27.0	$ 17.4	$ 8.7	$ 4.7	$ 13.0	$ 17.9	$ 8.3	$ 5.6	$ 7.1	$ 6.5	$ 6.5	$ 3.1	$ 3.1	$ 3.1	$ 5.0	$ 5.0	$ 5.0	$ 8.1	$ 8.1	$ 8.1	$ 8.1	$ 3.4	$ 3.4
Income tax expense (benefit)	$ 73.8	$ 6.5	[1]	$ 95.7	$ 43.3	[1]												$ 3.0	$ 3.0

[1] See Note 23 - Restatement of Condensed Consolidated Financial Statements (Unaudited)