Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.14)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 14

-Article 5

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph a

-Article 5

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 7

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified							9 Months Ended				9 Months Ended				9 Months Ended				9 Months Ended				9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Land	Dec. 31, 2012 Land	Sep. 30, 2013 Buildings	Dec. 31, 2012 Buildings	Sep. 30, 2013 Buildings Minimum	Sep. 30, 2013 Buildings Maximum	Sep. 30, 2013 Building Improvements	Dec. 31, 2012 Building Improvements	Sep. 30, 2013 Building Improvements Minimum	Sep. 30, 2013 Building Improvements Maximum	Sep. 30, 2013 Machinery and Equipment	Dec. 31, 2012 Machinery and Equipment	Sep. 30, 2013 Machinery and Equipment Minimum	Sep. 30, 2013 Machinery and Equipment Maximum	Sep. 30, 2013 Furniture, fixtures and office equipment	Dec. 31, 2012 Furniture, fixtures and office equipment	Sep. 30, 2013 Furniture, fixtures and office equipment Minimum	Sep. 30, 2013 Furniture, fixtures and office equipment Maximum	Sep. 30, 2013 Computer Equipment and Software	Dec. 31, 2012 Computer Equipment and Software	Sep. 30, 2013 Computer Equipment and Software Maximum	Sep. 30, 2013 Leasehold Improvements	Dec. 31, 2012 Leasehold Improvements	Sep. 30, 2013 Construction in Progress	Dec. 31, 2012 Construction in Progress
Property, Plant and Equipment [Line Items]
Estimated Useful Life (Years)							39 years	40 years			5 years	40 years			3 years	15 years			5 years	10 years			3 years
Property and equipment - gross	$ 287,741	$ 285,210	$ 5,273	$ 5,273	$ 54,948	$ 54,948			$ 114,245	$ 114,245			$ 82,283	$ 81,382			$ 5,164	$ 5,239			$ 11,935	$ 11,840		$ 17	$ 17	$ 13,876	$ 12,266
Less accumulated depreciation and amortization	(109,912)	(101,249)
Property and equipment - net	$ 177,829	$ 183,961