XML 38 R27.htm IDEA: XBRL DOCUMENT v3.7.0.1

Long-Term Debt (Schedule Of Redemption Prices Of Senior Notes) (Details)	6 Months Ended
	Mar. 25, 2017
Long-Term Debt [Abstract]
2018	102.875%
2019	101.917%
2020	100.958%
2021 and thereafter	100.00%

X

- Definition

Senior Notes Maturities Repayments Of Principal In Rolling Year One Percent

+ References

No definition available.

+ Details

Name:	imkta_SeniorNotesMaturitiesRepaymentsOfPrincipalInRollingYearOnePercent
Namespace Prefix:	imkta_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Senior Notes Maturities Repayments Of Principal In Rolling Year Thereafter, Percent

+ References

No definition available.

+ Details

Name:	imkta_SeniorNotesMaturitiesRepaymentsOfPrincipalInRollingYearThereafterPercent
Namespace Prefix:	imkta_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Senior Notes Maturities Repayments Of Principal In Rolling Year Three, Percent

+ References

No definition available.

+ Details

Name:	imkta_SeniorNotesMaturitiesRepaymentsOfPrincipalInRollingYearThreePercent
Namespace Prefix:	imkta_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Senior notes maturities repayments of principal in rolling year two percent.

+ References

No definition available.

+ Details

Name:	imkta_SeniorNotesMaturitiesRepaymentsOfPrincipalInRollingYearTwoPercent
Namespace Prefix:	imkta_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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