STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Computations of Basic and Diluted Earnings Per Share

	Year Ended December 31,
	2015		2014		2013
Numerator: Net earnings	$	285.7	$	104.3	$	365.6
Denominator:
Denominator for basic earnings per share - Weighted average     shares (in millions)		104.0		104.0		103.2
Effect of dilutive securities (in millions)		0.5		0.5		0.7
Denominator for diluted earnings per share - Adjusted weighted    average shares (in millions)		104.5		104.5		103.9
Basic net earnings per share:
Net earnings per share from continuing operations	$	2.75	$	0.55	$	1.89
Net earnings per share from discontinued operations		—		0.45		1.65
Basic net earnings per share	$	2.75	$	1.00	$	3.54
Diluted net earnings per share:
Net earnings per share from continuing operations	$	2.73	$	0.55	$	1.88
Net earnings per share from discontinued operations		—		0.45		1.64
Diluted net earnings per share	$	2.73	$	1.00	$	3.52

Restricted Stock Shares Granted, Vested, Forfeited and Outstanding

	December 31, 2015				December 31, 2014
				Weighted				Weighted
		Weighted		Average		Weighted		Average
		Average		Remaining		Average		Remaining
	Shares	Grant Date		Vesting Period	Shares	Grant Date		Vesting Period
	(in thousands)	Fair Value		(in years)	(in thousands)	Fair Value		(in years)
Outstanding, beginning of period	1,545	$	49.03	2.65	1,248	$	52.67	2.37
Shares granted	727		51.45	—	642		77.91	—
Shares vested	(587)		44.07	—	(538)		46.46	—
Shares forfeited	(163)		51.14	—	(96)		50.76	—
Spin-Off make-whole grants	—		—	—	444		—	—
Spin-Off cancellations	—		—	—	(155)		67.42	—
Outstanding, end of period	1,522		51.97	2.74	1,545		49.03	2.65