Cost Reduction Plan - Summary of the CIP Reserve Activity (Details) $ in Millions	9 Months Ended
	Nov. 30, 2015 USD ($)
Supplemental Unemployments Benefits [Roll Forward]
Beginning balance, Severance	$ 0.0
Severance accrual in period	12.9
Severance payments	(1.8)
Ending balance, Severance	11.1
Beginning balance, Retention	0.0
Retention accrual in period	2.7
Retention payments	0.0
Ending balance, Retention	2.7
Beginning balance, total	0.0
Total accrual in period	15.6
Total payments	(1.8)
Ending balance, total	$ 13.8