Subsequent Events - Additional Information (Detail) (USD $)	3 Months Ended	1 Months Ended
Sep. 28, 2013	Sep. 12, 2013 Amplifier Business	Nov. 01, 2013 Subsequent Event Amplifier Business	Oct. 10, 2013 Subsequent Event Amplifier Business
Subsequent Event [Line Items]
Cost to sell amplifier business including option price				$ 88,600,000
Proceed from sale of business	90,618,000		79,600,000
Post closing adjustment receivable				4,000,000
Cash received from exercise of options	$ 5,000,000	$ 5,000,000

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (j)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

Name:	us-gaap_ProceedsFromStockOptionsExercised
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration