SUBSEQUENT EVENTS (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended
Feb. 28, 2015	Mar. 31, 2015
Bridgeton Missouri Facility [Member]
Subsequent Event [Line Items]
Early termination fee paid	$ (1.6)
Jefferson City Missouri Facility [Member]
Subsequent Event [Line Items]
Incentive payment received		$ 1.7

This item represents the deferred credit for an incentive or inducement received by a lessee from a lessor, in order to motivate the lessee to enter the lease agreement, which incentive or inducement is to be recognized as a reduction of rental expense over the lease term.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 25

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e40010-112707

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 25

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Lease Incentive

-URI http://asc.fasb.org/extlink&oid=6516590

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 55

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6584307&loc=d3e41620-112719

Name:	us-gaap_IncentiveFromLessor
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant