Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015	Nov. 30, 2015
Statement of Financial Position [Abstract]
Redeemable common stock, par value (in USD per share)	$ 0.10	$ 0.10	$ 0.10
Redeemable common stock, shares issued (in shares)	100,000	100,000	100,000
Redeemable common stock, shares outstanding (in shares)	100,000	100,000	100,000
Preference stock, par value (in USD per share)	$ 1.00	$ 1.00	$ 1.00
Preference stock, shares authorized (in shares)	15,000,000	15,000,000	15,000,000
Preference stock, shares issued (in shares)	0	0	0
Preference stock, shares outstanding (in shares)	0	0	0
Common stock, par value (in USD per share)	$ 0.10	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	150,000,000	150,000,000	150,000,000
Common stock, shares issued (in shares)	63,100,000	62,900,000	62,900,000
Common stock, shares outstanding (in shares)	63,100,000	62,900,000	62,900,000
Treasury stock, shares (in shares)	3,500,000	3,500,000	3,500,000