SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Items Measured at Fair Value on Recurring Basis) (Detail) - Fair Value, Measurements, Recurring $ in Millions |
Mar. 31, 2016
USD ($)
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||
Deferred Compensation Plan Assets | $ 24.3 | [1] | ||||
Deferred Compensation Plan Liability | (24.3) | [1] | ||||
Total | 0.0 | |||||
Quoted Prices in Active Markets for Identical Assets (Level 1) | ||||||
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||
Deferred Compensation Plan Assets | 24.3 | [1] | ||||
Deferred Compensation Plan Liability | 0.0 | [2] | ||||
Total | 24.3 | |||||
Significant Other Observable Inputs (Level 2) | ||||||
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||
Deferred Compensation Plan Assets | 0.0 | [2] | ||||
Deferred Compensation Plan Liability | (24.3) | [1] | ||||
Total | (24.3) | |||||
Significant Unobservable Inputs (Level 3) | ||||||
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||
Deferred Compensation Plan Assets | 0.0 | [2] | ||||
Deferred Compensation Plan Liability | 0.0 | [2] | ||||
Total | $ 0.0 | |||||
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