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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011
Significant Accounting Policies [Line Items] |  |  |
Allowance for doubtful accounts | $ 7,000,000 | $ 6,400,000 |
LIFO Inventory Amount | 22,300,000 | 22,200,000 |
Percentage of LIFO Inventory | 10.00% | 14.00% |
Depreciation | 13,500,000 | 8,700,000 | 6,900,000
Finite-Lived Intangible Assets, Amortization Expense | 28,500,000 | 17,000,000 | 12,200,000
Foreign Currency Transaction Gain (Loss), before Tax | 3,100,000 | 3,700,000 | (200,000)
Costs in Excess of Billings on Uncompleted Contracts or Programs | 17,200,000 | 8,200,000 |
Research and Development Expense | 21,400,000 | 14,100,000 | 10,400,000
Share-based Compensation | 11,862,000 | 11,984,000 | 18,133,000
Tax benefit | 4,400,000 | 4,600,000 | 7,100,000
Total unrecognized compensation | 500,000 |  |
Weighted average life | 1 year 6 months |  |
Weighted average number diluted shares outstanding (shares) | 145,000 | 329,000 | 536,000
Interest Paid | 14,100,000 | 8,000,000 | 7,800,000
Income Taxes Paid | 49,500,000 | 49,000,000 | 32,300,000
Restricted Stock [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Fair value of grants issued during the period |  | $ 34,700,000 | $ 0
Grant awards issued (shares) | 0 | 0 | 386,000
Grant awards, fair value per share at date of grant (usd per share) | $ 0.00 | $ 0.00 | $ 89.98

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