Stockholders' Equity - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Oct. 02, 2015	Sep. 30, 2016	Oct. 02, 2015	May 14, 2014	Apr. 24, 2012
Stockholders' Equity Note [Abstract]
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, before Tax	$ 1,259	$ 0	$ 2,735	$ 0
Authorized stock repurchase value					$ 300,000	$ 25,000
Payments for Repurchase of Common Stock			0	$ 20,007
Remaining authorized repurchase amount	$ 45,700		$ 45,700

Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized loss realized upon the write-down of available-for-sale securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e689-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580

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