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Preferred and Common Stockholder's Equity (Tables)

3 Months Ended

Sep. 30, 2017

Summary of Common Shares Issued and Outstanding

Common shares issued and outstanding


	September 30,
	2017		2016
Common stock issued and outstanding at July 1		68.4		69.1
Common stock issued upon exercise of options and employee stock plans		0.8		0.3
Repurchase and retirement of common stock		—		(1.0	)
Common stock issued and outstanding at September 30		69.2		68.4

Reconciliation of Denominators of Basic and Diluted Earnings Per Share Computations

The following is a reconciliation of the denominators of the basic and diluted earnings per share (“EPS”) computations:

	Three months ended
	September 30,
	2017		2016
Denominator:
Weighted-average shares outstanding used to compute basic EPS		68.6		68.8
Effect of dilutive shares		1.8		—
Weighted-average shares outstanding and dilutive securities used to compute diluted EPS		70.4		68.8

Schedule of Anti-Dilutive Options and Restricted Stock Units Excluded from EPS Computation

These potential dilutive common shares, which may be dilutive to future diluted earnings per share, are as follows:

	Three months ended
	September 30,
	2017		2016
Anti-dilutive options and RSU's excluded from EPS computation		1.5		9.6

Schedule of Stock Repurchases

The shares retired, aggregate common stock and additional paid-in capital reductions, and related charges to accumulated deficit for the repurchases for periods ended September 30, 2017 and 2016 were as follows:

	Three months ended
	September 30,
	2017		2016
Shares purchased and retired		—		1.0
Common stock and additional paid-in-capital reductions	$	—	$	9.1
Charges to retained earnings	$	—	$	12.2