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

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

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Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Event - Additional Information (Detail) $ / shares in Units, CAD in Millions, $ in Millions				12 Months Ended
	Feb. 17, 2016 $ / shares	Jan. 04, 2016 USD ($)	Jan. 04, 2016 CAD	Jan. 02, 2016 $ / shares	Jan. 03, 2015 $ / shares	Dec. 28, 2013 $ / shares
Subsequent Event [Line Items]
Dividends declared per share				$ 0.24	$ 0.24	$ 0.24
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends declared per share	$ 0.06
Dividend declared date	Feb. 17, 2016
Dividend declared payable date	Mar. 24, 2016
Dividend payable, record date	Mar. 09, 2016
Subsequent Event [Member] \| AquaTerra Corporation [Member]
Subsequent Event [Line Items]
Business acquisitions, aggregate cash purchase price		$ 45	CAD 62