Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Subsequent Events (Details) - $ / shares		3 Months Ended								12 Months Ended
Subsequent Events (Details) - $ / shares	Feb. 13, 2019	Jan. 01, 2019	Oct. 02, 2018	Jul. 03, 2018	Apr. 03, 2018	Jan. 02, 2018	Oct. 03, 2017	Jul. 04, 2017	Apr. 04, 2017	Jan. 01, 2019	Jan. 02, 2018	Jan. 03, 2017
Subsequent Events
Cash dividends declared per common share (in dollars per share)		$ 0.33	$ 0.33	$ 0.29	$ 0.29	$ 0.29	$ 0.29	$ 0.24	$ 0.24	$ 1.24	$ 1.06	$ 0.88
Subsequent Events
Subsequent Events
Cash dividends declared per common share (in dollars per share)	$ 0.33