Summary of Significant Accounting Policies Advertising (Details) (USD $)	12 Months Ended
Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2013
Marketing and Advertising Expense [Abstract]
Advertising, Marketing, Public and Media Relations Costs	$ 283,648,000us-gaap_MarketingAndAdvertisingExpense	$ 253,164,000us-gaap_MarketingAndAdvertisingExpense	$ 250,297,000us-gaap_MarketingAndAdvertisingExpense
Advertising costs as Percentage of Net Sales	6.70%tif_AdvertisingasPercentageofSales	6.30%tif_AdvertisingasPercentageofSales	6.60%tif_AdvertisingasPercentageofSales

The total expense recognized in the period for promotion, public relations, and brand or product advertising.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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