XML 29 R13.htm IDEA: XBRL DOCUMENT v2.4.0.6

Dividends	6 Months Ended
	Mar. 24, 2012
Dividends [Abstract]
Dividends	G. DIVIDENDS The Company paid cash dividends of $0.165 for each share of Class A Common Stock and $0.15 for each share of Class B Common Stock on January 19, 2012 and October 20, 2011 to stockholders of record on January 6, 2012 and October 6, 2011, respectively.

X

- Definition

Dividends text block.

+ References

No definition available.

+ Details

Name:	imkta_DividendsTextBlock
Namespace Prefix:	imkta_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DividendsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration