ACQUISITION (Details 1) (KA Steel [Member], USD $) In Millions, unless otherwise specified	Aug. 22, 2012
KA Steel [Member]
Business Acquisition [Line Items]
Total current assets	$ 128.1
Property, plant and equipment	25.1
Deferred taxes	1.6
Intangible assets	139.3
Total assets acquired	294.1
Total current liabilities	64.2
Other liabilities	10.4
Total liabilities assumed	74.6
Net identifiable assets acquired	219.5
Fair value of net assets acquired	339.2
Cash paid	336.6
Olin trade accounts receivable from KA Steel	2.6
Total fair value of consideration	$ 339.2