SHARE-BASED AWARDS (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based expense (net of estimated forfeitures)
Total recognized tax benefit	$ (0.6)	$ (1.3)
Parent Company Exclusive Of A&B
Share-based expense (net of estimated forfeitures)
Total share-based expense	5.9	4.0	2.7
Total recognized tax benefit	(2.2)	(1.6)	(0.9)
Share-based expense (net of tax)	3.7	2.4	1.8
Cash received by Matson upon option exercise	1.7	3.5	2.0
Intrinsic value of options exercised	1.1	5.2	1.1
Tax benefit realized upon option exercise	1.7	1.5	0.4
Fair value of stock vested	4.4	3.8	2.5
Stock options | Parent Company Exclusive Of A&B
Share-based expense (net of estimated forfeitures)
Total share-based expense	0.4	0.9	0.8
Unrecognized compensation cost	0.1
Unrecognized compensation cost, weighted average period for recognition	9 months 18 days
Non-vested stock/Restricted stock units | Parent Company Exclusive Of A&B
Share-based expense (net of estimated forfeitures)
Total share-based expense	5.5	3.1	1.9
Unrecognized compensation cost	$ 9.0
Unrecognized compensation cost, weighted average period for recognition	1 year 10 months 24 days