Represents the portion of dividends payable on preferred stock in the form of cash.

No definition available.

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- Definition

Represents the portion of dividend payable on preferred stock in the form of common stock.

+ References

No definition available.

+ Details

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- Definition

Cash outflow in the form of ordinary dividends to preferred shareholders, generally out of earnings.

+ References

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 Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: 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=6943989&loc=d3e3291-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 20

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Number of shares of common and preferred stock issued as dividends during the period. Excludes stock splits.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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Preferred stock (Details) (USD $)	6 Months Ended			0 Months Ended			6 Months Ended	0 Months Ended
Preferred stock (Details) (USD $)	Jul. 02, 2013	Jun. 26, 2012	Dec. 25, 2012	Jun. 28, 2013 Series A Preferred Stock	Mar. 29, 2013 Series A Preferred Stock	Dec. 31, 2012 Series A Preferred Stock	Jul. 02, 2013 Series A Preferred Stock	Jun. 28, 2013 Common Stock	Mar. 29, 2013 Common Stock	Dec. 31, 2012 Common Stock
Preferred stock
Preferred stock outstanding (in shares)	3,000,000		3,000,000				3,000,000
Dividend rate (as a percent)							9.00%
Portion of dividends payable in the form of cash (as a percent)							50.00%
Portion of dividend payable in the form of common stock (as a percent)							50.00%
Cash dividends paid	$ 303,754	$ 202,504		$ 101,250	$ 101,252	$ 101,252
Shares of common stock issued as dividends								48,600	48,009	45,731