COMMITMENTS AND CONTINGENCIES - Leadership Development and Headquarters Facility (Details) - Leadership development and headquarters facility lease $ in Millions	Feb. 04, 2016 USD ($)
Operating Leases
Operating lease term (in years)	20 years
Base rent	$ 5
Lease rent escalation rate (as a percent)	1.85%

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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