Consolidated Statements of Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock	Net Investment	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Noncontrolling Interest
Balance, beginning period at Dec. 31, 2010	$ 688.6	$ 0	$ 727.8	$ (39.2)	$ 0	$ 0
Balance, beginning period (shares) at Dec. 31, 2010		0
Increase (Decrease) in Equity [Roll Forward]
Net Income	23.5		23.5
Other comprehensive income, net of tax	(8.4)			(8.4)
Contribution from Alexander & Baldwin Holdings, Inc.-net	22.1		22.1
Balance, period end at Dec. 31, 2011	725.8	0	773.4	(47.6)	0	0
Balance, beginning period (shares) at Dec. 31, 2011		0
Increase (Decrease) in Equity [Roll Forward]
Net Income	20.5		(1.6)		22.1
Other comprehensive income, net of tax	0.4			0.4
Contribution from Alexander & Baldwin Holdings, Inc.-net	154.5		154.5
Conversion of net investment of Alexander & Baldwin Holdings, Inc. into common stock		42.4
Conversion of net investment of Alexander & Baldwin Holdings, Inc. into common stock	0	926.3	(926.3)
Share-based compensation	2.1	2.1
Shares issued (in shares)		0.5
Shares issued, net	9.9	10.2			(0.3)
Excess tax benefit from share-based awards	1.2	1.2
Balance, period end at Dec. 31, 2012	914.4	939.8	0	(47.2)	21.8	0
Balance, period end (shares) at Dec. 31, 2012		42.9
Increase (Decrease) in Equity [Roll Forward]
Net Income	37.4				36.9	0.5
Other comprehensive income, net of tax	17.1			17.1
Dividends paid on common stock	(2.0)				(2.0)
Distributions to noncontrolling interest	(0.7)					(0.7)
Share-based compensation	4.2	4.2
Grace acquisition (shares)		5.4
Grace acquisition	205.4	196.3				9.1
Shares issued or repurchased, net (in shares)		0.3
Shares issued or repurchased, net	(2.6)	0.4			(3.0)
Excess tax benefit from share-based awards	1.6	1.6
Balance, period end at Dec. 31, 2013	$ 1,174.8	$ 1,142.3	$ 0	$ (30.1)	$ 53.7	$ 8.9
Balance, period end (shares) at Dec. 31, 2013		48.6