Schedule of Total Equity Based Compensation Expense by Type (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2013	Sep. 28, 2012	Sep. 27, 2013	Sep. 28, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense	$ 1.7	$ 5.4	$ 6.8	$ 15.8
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense	0.4	1.6	1.3	3.6
Cash-settled SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense				(0.1)
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense	1.1	3.3	4.6	9.1
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense	$ 0.2	$ 0.5	$ 0.9	$ 3.2