Accumulated Other Comprehensive (Loss) Income - Reclassifications Out of Accumulated Other Comprehensive (Loss) Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	$ 427.6	$ 478.2	$ 487.2	$ 449.0	$ 456.6	$ 510.6	$ 533.5	$ 460.4	$ 1,842.0	$ 1,961.1	$ 2,058.0
Tax (expense) or benefit									(2.2)	(4.6)	0.7
Net income									22.0	52.3	41.2
Gains and Losses on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales									(0.6)
Reclassification Out of Accumulated Other Comprehensive (Loss) Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income									(0.3)
Reclassification Out of Accumulated Other Comprehensive (Loss) Income [Member] | Gains and Losses on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before taxes									0.6
Tax (expense) or benefit
Net income									0.6
Reclassification Out of Accumulated Other Comprehensive (Loss) Income [Member] | Pension Benefit Plan Items [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Prior service costs									(0.4)
Actuarial adjustments									(0.1)
Actuarial (losses)/gains									(0.1)
Total before taxes									(0.6)
Tax (expense) or benefit									(0.3)
Net income									(0.9)
Reclassification Out of Accumulated Other Comprehensive (Loss) Income [Member] | Foreign Currency Hedges [Member] | Gains and Losses on Derivative Instruments [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales									$ 0.6