PROPERTY, PLANT AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2013

PROPERTY, PLANT AND EQUIPMENT, NET

Schedule of property, plant and equipment

	December 31,
(In millions)	2013		2012
Machinery and equipment	$	2,311.9	$	1,492.6
Buildings		219.9		203.7
Depletable land and land improvements		292.2		90.4
Construction-in-progress		134.7		33.6
Property, plant and equipment, at cost		2,958.7		1,820.3
Less: accumulated depreciation		1,300.0		1,182.6
Property, plant and equipment, net	$	1,658.7	$	637.7