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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Current regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6509677

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

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Reference 1: 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=66902209&loc=d3e3291-108585

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-Name Accounting Standards Codification
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of stock repurchase plan authorized.

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Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($)			3 Months Ended
	Apr. 10, 2015	Mar. 05, 2015	Mar. 27, 2016	Mar. 29, 2015	Dec. 27, 2015	Jul. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrued customer incentives and rebates			$ 12,500,000		$ 10,500,000
Cash dividend declared (USD per share)		$ 0.5	$ 0	$ 0.50
Dividend paid	$ 21,000,000
Stock repurchase program, authorized amount						$ 30,000,000
Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash portion of the dividend	$ 400,000