Commitments and Contingencies Environmental Matter (Details) $ in Millions	3 Months Ended
Apr. 30, 2016 USD ($)
Environmental Matter Disclosure [Line Items]
Identified Remediation Plan, Cost Estimated by the EPA	$ 1,380.0
CPG Preferred Approach [Member] \| Minimum [Member]
Environmental Matter Disclosure [Line Items]
Estimated Remediation Costs CPG Recommended Approach	$ 483.0

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