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Fire at Australian Manufacturing Facility - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2012
Property, Plant and Equipment [Line Items]
Non-production cost related to fire	$ 1.7
Picton Facility [Member]
Property, Plant and Equipment [Line Items]
Percentage of aggregate annual production of Company	7.00%
Percentage of net sales	10.00%
Percentage of operating income	13.00%
Impairment of fixed assets at the Picton Facility	22.3
Excess production costs related to the fire	21.3
Insurance recoveries already received	$ 20.7

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Non Production Fire Related Costs

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Percentage Of Net Sales

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Percentage Of Operating Income

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The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

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