Divestiture - Carrying Value of Assets and Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Assets:
Other receivables		$ 0.1
Inventories	14.1	12.3
Prepaid expenses	0.1	0.1
Property and equipment, net	22.4	22.6
Goodwill	6.9	6.9
Assets held for sale	43.5	42.0
Liabilities:
Accrued liabilities	2.4	6.1
Liabilities held for sale	$ 2.4	$ 6.1

Disposal group including discontinued operation other receivable.

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- Definition

Disposal group including discontinued operation prepaid expenses.

+ References

No definition available.

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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- Definition

Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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- Definition

Amount classified as goodwill attributable to disposal group held for sale or disposed of.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

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-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1436-107760

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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Amount classified as inventory attributable to disposal group held for sale or disposed of.

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- Definition

Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

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Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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