Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS Fair Value Measurements (Details)

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FAIR VALUE MEASUREMENTS Fair Value Measurements (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended
Oct. 28, 2017
Apr. 29, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 28, 2017
Oct. 29, 2016
Jan. 28, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Short-term investments $ 0.0   $ 4.0 $ 0.0 $ 0.0 $ 4.0 $ 4.0
Receivable impairment 0.0 $ 50.9 0.0 2.6 53.5 0.0  
Fair Value, Inputs, Level 1 [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Short-term investments 0.0   4.0 0.0 0.0 4.0 4.0
Secured Senior Notes and Acquisition Notes [Domain] | Fair Value, Inputs, Level 1 [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Long-term Debt, Fair Value 3,713.4   3,754.4 3,713.4 3,713.4 3,754.4 3,740.3
Long term debt - term loans [Member] | Fair Value, Inputs, Level 2 [Member]              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Long-term Debt, Fair Value $ 2,230.7   $ 3,617.6 $ 2,230.7 2,230.7 $ 3,617.6 $ 2,828.2
Nonrecurring              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Receivable impairment         $ 53.5