PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2017

PROPERTY AND EQUIPMENT

Schedule of property and equipment

	As of December 31, 2017						As of December 31, 2016
			Accumulated						Accumulated
(In millions)	Cost		Depreciation		Net Book Value		Cost		Depreciation		Net Book Value
Vessels	$	1,433.6	$	893.2	$	540.4	$	1,416.1	$	840.7	$	575.4
Containers and equipment		543.0		349.0		194.0		536.9		326.7		210.2
Terminal facilities and other property		64.8		36.3		28.5		43.2		35.3		7.9
Vessel construction in progress		376.6		—		376.6		124.5		—		124.5
Other construction in progress		26.2		—		26.2		31.2		—		31.2
Total	$	2,444.2	$	1,278.5	$	1,165.7	$	2,151.9	$	1,202.7	$	949.2

Schedule of depreciation expense

	Years Ended December 31,
(In millions)	2017		2016		2015
Depreciation expense	$	86.7	$	86.0	$	76.4