Debt Credit Facilities (Details) ¥ in Millions, $ in Millions	6 Months Ended
	Jul. 31, 2016 CNY (¥)	Jul. 31, 2016 USD ($)
Tiffany-Shanghai Credit Agreement 2013 [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity | ¥	¥ 930.0
Line of Credit Facility, Expiration Date	Jul. 19, 2016
Tiffany-Shanghai Credit Agreement 2016 [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	¥ 990.0	$ 148.7
Line of Credit Facility, Expiration Date	Jul. 11, 2019
Line of Credit Facility, Remaining Borrowing Capacity		107.1
Line of Credit Facility, Amount Outstanding		$ 41.6
Line of Credit Facility, Interest Rate at Period End	4.35%	4.35%