Commitments and Contingencies - Accrued Exit Charges Reconciliation (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Jan. 31, 2014
Restructuring and Related Activities [Abstract]
Opening balance	$ 10,465tif_LeaseExitChargeLiability	$ 16,164tif_LeaseExitChargeLiability
Cash payments, net of estimated sublease income	(5,727)us-gaap_PaymentsForRestructuring	(6,072)us-gaap_PaymentsForRestructuring
Interest accretion	217us-gaap_AccretionExpense	373us-gaap_AccretionExpense
Ending balance	$ 4,955tif_LeaseExitChargeLiability	$ 10,465tif_LeaseExitChargeLiability

Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 35

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6394232&loc=d3e17558-110866

Name:	us-gaap_AccretionExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration