Restatement of Condensed Consolidated Financial Statements (Unaudited) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended				3 Months Ended		6 Months Ended	12 Months Ended				3 Months Ended		12 Months Ended
	Mar. 30, 2012		Apr. 01, 2011		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]	Mar. 30, 2012 Inventory [Member] Overstated [Member] Errors Relating to Accounting for Inventory [Member]	Jun. 29, 2012 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]	Mar. 30, 2012 Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Apr. 01, 2011 Cost of Sales [Member] Understated [Member] Errors Relating to Accounting for Inventory [Member]	Jun. 29, 2012 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, 2007 Acquisition of PDIC [Member] Inventory [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, 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, 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]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Quantifying misstatement, amount					$ 6.5	$ 6.5	$ 43.7	$ 43.5	$ 40.0	$ 27.0	$ 17.4	$ 8.7	$ 2.7	$ 4.0	$ 6.2	$ 17.9	$ 8.3	$ 5.6	$ 7.1	$ 3.4	$ 3.4	$ 8.1	$ 8.1	$ 8.1	$ 3.1	$ 3.1	$ 3.1	$ 5.0	$ 5.0	$ 5.0	$ 8.1
Income tax expense (benefit)	$ 10.4	[1]	$ 19.6	[1]	$ 3.0	$ 3.0

[1] See Note 22 - Restatement of Condensed Consolidated Financial Statements (Unaudited)