Common Stock Dividends Declared And Paid Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Apr. 03, 2015	Jan. 02, 2015	Oct. 03, 2014	Jul. 04, 2014	Apr. 04, 2014	Jan. 02, 2015
Class of Stock [Line Items]
Dividends Per Share	$ 0.3	$ 0.25	$ 0.25	$ 0.25	$ 0.25
Amount	$ 3,858us-gaap_PaymentsOfDividendsCommonStock	$ 3,216us-gaap_PaymentsOfDividendsCommonStock	$ 3,262us-gaap_PaymentsOfDividendsCommonStock	$ 3,270us-gaap_PaymentsOfDividendsCommonStock	$ 3,262us-gaap_PaymentsOfDividendsCommonStock	$ 13,010us-gaap_PaymentsOfDividendsCommonStock

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Name:	us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration