Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended
	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