STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Computations of Basic and Diluted Earnings Per Share

	Year Ended December 31,
	2016		2015		2014
Numerator: Net earnings	$	311.1	$	285.7	$	104.3
Denominator:
Denominator for basic earnings per share - Weighted average shares (in millions)		100.4		104.0		104.0
Effect of dilutive securities (in millions)		0.5		0.5		0.5
Denominator for diluted earnings per share - Adjusted weighted average shares (in millions)		100.9		104.5		104.5
Basic net earnings per share:
Net earnings per share from continuing operations	$	3.10	$	2.75	$	0.55
Net earnings per share from discontinued operations		—		—		0.45
Basic net earnings per share	$	3.10	$	2.75	$	1.00
Diluted net earnings per share:
Net earnings per share from continuing operations	$	3.08	$	2.73	$	0.55
Net earnings per share from discontinued operations		—		—		0.45
Diluted net earnings per share	$	3.08	$	2.73	$	1.00

Restricted Stock Shares Granted, Vested, Forfeited and Outstanding

	December 31, 2016				December 31, 2015
				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	1,522	$	51.97	2.74	1,545	$	49.03	2.65
Shares granted	176		41.77	—	727		51.45	—
Shares vested	(564)		49.82	—	(587)		44.07	—
Shares forfeited	(108)		49.05	—	(163)		51.14	—
Outstanding, end of period	1,026		51.84	2.26	1,522		51.97	2.74