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Income Taxes - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | |||
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Jun. 28, 2014
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Jun. 29, 2013
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Jun. 28, 2014
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Jun. 29, 2013
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Dec. 31, 2013
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| Income Tax [Line Items] | |||||
| Penalties or interest liability accrued | $ 0 | $ 0 | $ 0 | ||
| Penalty or interest expense | 0 | 0 | |||
| Effective tax rate | 34.00% | 33.20% | 33.90% | 26.10% | |
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2012 R and D Tax Credits [Member] | Research And Development Tax Credit [Member]
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| Income Tax [Line Items] | |||||
| R&D tax credits | 1.1 | 1.1 | |||
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2013 R and D Tax Credits [Member] | Research And Development Tax Credit [Member]
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| Income Tax [Line Items] | |||||
| R&D tax credits | $ 0.4 | $ 0.4 | |||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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