XML 53 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8

Summary of Significant Accounting Policies (Detail Textuals 1) (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Accounting Policies [Abstract]
Amount of unearned interest, discounts and allowance for credit losses	$ 155,001,000	$ 145,896,000
Average dealer discount associated with new volume	8.44%	8.54%	9.23%
Sales of NDS to the Company's consolidated revenues	less than 1%
Cash paid for income taxes	10,837,000	11,273,000	13,764,000
Cash paid for interest	$ 5,673,000	$ 5,043,000	$ 4,878,000

X

- Definition

Represents unearned interest, discounts and allowance of credit losses included in the face amount of finance receivables, that are shown as a deduction from the related receivables.

+ References

No definition available.

+ Details

Name:	nick_DeferredDiscountsInterestAndAllowanceForCreditLossesIncludedInFinancialReceivables
Namespace Prefix:	nick_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

This element represents the percentage of finance receivable interest discount.

+ References

No definition available.

+ Details

Name:	nick_PercentageOfReceivableInterestDiscount
Namespace Prefix:	nick_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the revenue of wholly owned subsidiary as compared to the consolidated revenue of holding company.

+ References

No definition available.

+ Details

Name:	nick_PercentageOfRevenueOfSubsidiaryToHoldingCompanyRevenue
Namespace Prefix:	nick_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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

X

- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

Name:	us-gaap_IncomeTaxesPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

+ Details

Name:	us-gaap_InterestPaidNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration