Acquisitions - Pro Forma Financial Information, Nonrecurring Adjustments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 26, 2011	Jun. 26, 2011
Intangible amortization
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net income (loss) adjustment, pro forma	$ 4.2	$ 14.0
Net change in stock compensation expense
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net income (loss) adjustment, pro forma	(0.6)	(3.6)
Net change in interest expense
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net income (loss) adjustment, pro forma	3.0	12.9
Net change in income tax benefit
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net income (loss) adjustment, pro forma	$ 0.1	$ (0.1)
Increase in weighted average common shares outstanding for shares issued and not already included in the weighted average common shares outstanding
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Weighted average number of basic and diluted shares outstanding adjustment, pro forma	10.4	11.6

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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-Name Accounting Research Bulletin (ARB)

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details