Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
|
3 Months Ended | 9 Months Ended | 0 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|---|
Sep. 27, 2014
|
Sep. 27, 2014
|
Dec. 28, 2013
|
Oct. 01, 2014
Subsequent Event [Member]
|
Oct. 01, 2014
Semiconductor Equipment [Member]
Subsequent Event [Member]
|
Oct. 01, 2014
Microwave Communications Equipment [Member]
Subsequent Event [Member]
|
||||
Significant Accounting Policies [Line Items] | |||||||||
Net of allowance for doubtful accounts | $ 300,000 | $ 300,000 | $ 500,000 | ||||||
Goodwill impairment | 0 | ||||||||
Percent of fair value exceeding carrying value | 35.00% | 17.00% | |||||||
Number of common stock shares excluded from computation of diluted income per share | 1,346,000 | 1,953,000 | |||||||
Deferred revenue | 22,000,000 | 22,000,000 | 7,400,000 | ||||||
Deferred profit | 11,240,000 | 11,240,000 | 6,066,000 | [1] | |||||
Accumulated other comprehensive income (loss) | $ (2,153,000) | $ (2,153,000) | $ 6,651,000 | [1] | |||||
|