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Income Taxes - Operating Loss Carry Forwards (Parenthetical) (Detail)	12 Months Ended
	Jan. 03, 2015
Minimum [Member] | 2015 - 2019 [Member]
Income Taxes [Line Items]
Expiration Dates	2015
Minimum [Member] | 2020 - 2024 [Member]
Income Taxes [Line Items]
Expiration Dates	2020
Minimum [Member] | 2025 - 2029 [Member]
Income Taxes [Line Items]
Expiration Dates	2025
Minimum [Member] | 2030 - 2034 [Member]
Income Taxes [Line Items]
Expiration Dates	2030
Maximum [Member] | 2015 - 2019 [Member]
Income Taxes [Line Items]
Expiration Dates	2019
Maximum [Member] | 2020 - 2024 [Member]
Income Taxes [Line Items]
Expiration Dates	2024
Maximum [Member] | 2025 - 2029 [Member]
Income Taxes [Line Items]
Expiration Dates	2029
Maximum [Member] | 2030 - 2034 [Member]
Income Taxes [Line Items]
Expiration Dates	2034

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Net Operating Loss Carry forwards Expiration Dates

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