Schedule of Depreciation and Amortization by Reportable Operating Segment (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Segment Reporting Information [Line Items]
Depreciation and amortization, total	$ 135.3	$ 150.5	$ 156.3
MCCC
Segment Reporting Information [Line Items]
Depreciation and amortization, total	58.6	56.7	64.6
PCIA
Segment Reporting Information [Line Items]
Depreciation and amortization, total	65.6	83.2	79.1
SDT
Segment Reporting Information [Line Items]
Depreciation and amortization, total	$ 11.1	$ 10.6	$ 12.6