Commitments and Contingencies Environmental Matter (Details) $ in Millions	12 Months Ended
Jan. 31, 2016 USD ($)
Environmental Matter Disclosure [Line Items]
Estimated Remediation Costs CPG Preferred Approach Low Estimate	$ 483.0
Identified Remediation Plan, Cost Estimated by the EPA	$ 1,380.0

Low end of the range of estimated remediation costs associated with the remediation of the lower eight miles of the Passaic River as recommended by the CPG based on the Feasibility Study portion of the RI/FS.

No definition available.

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Namespace Prefix:	tif_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration