Income Tax (Benefit) Expense - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Income Taxes [Line Items]
Increase in equity, estimated	$ 2.8
Operating loss carry forwards	319.6
Credit carryforwards	1.5
Capital loss carry forwards	14.4
Valuation allowance	27.5	22.2
Realize future income tax benefit due to reversal of the valuation allowance	4.0	10.3	1.0
Unrecognized tax benefits	9.2	9.0	13.3	14.7
Decrease in unrecognized tax benefits	0.2
Favorable impact of effective tax rate	3.8
Significant change in unrecognized tax benefits	0.8
Interest and penalties recovered, unrecognized tax benefits	0.2	0.2	0.2
Interest and penalties recognized as an asset	0.1	3.1
Proposed Scenario [Member]
Income Taxes [Line Items]
Realize future income tax benefit due to reversal of the valuation allowance	27.2
Mexico [Member]
Income Taxes [Line Items]
Operating loss carry forwards	20.8
Valuation allowance	8.8
U.S. Federal [Member]
Income Taxes [Line Items]
Operating loss carry forwards	108.8
Credit carryforwards	0.8
Alternative minimum tax credit carryforward	0.7
Valuation allowance	15.2
State and Local [Member]
Income Taxes [Line Items]
Operating loss carry forwards	190.0
Canada [Member]
Income Taxes [Line Items]
Capital loss carry forwards	10.8
Valuation allowance	2.7
Uk [Member]
Income Taxes [Line Items]
Capital loss carry forwards	3.6
Valuation allowance	$ 0.8
Minimum [Member] | Mexico [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	2018
Minimum [Member] | U.S. Federal [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	2027
Minimum [Member] | State and Local [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	2013
Credit carryforwards, expiration date	2014
Maximum [Member] | Mexico [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	2022
Maximum [Member] | U.S. Federal [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	2032
Maximum [Member] | State and Local [Member]
Income Taxes [Line Items]
Operating loss carryforwards, expiration date	2032
Credit carryforwards, expiration date	2018