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Restructuring and Related Activities, Number of Subsidiaries Divested

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Total carrying amount of consideration received or receivable as of the balance sheet date representing potential earnings that were not as yet recognized as revenue or other forms of income in conformity with GAAP.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Cash received from grantors during the current period related to operating activities. This element represents receipts from a guarantor for the amount of guarantee provided.

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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.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Fees charged to customers for the delivery, generally by postal or freight service providers, of product or goods purchased.

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Nature Of Operations And Summary Of Significant Accounting Policies (Detail) (USD $) In Thousands, unless otherwise specified	0 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended
	Jan. 03, 2012 subsidiary segment	Dec. 31, 2014 segment	Dec. 31, 2013	Dec. 31, 2001	Jun. 30, 2010	Dec. 31, 2012	Mar. 31, 2014
Accounting Policies [Line Items]
Number of operating units affected by reorganization	1
Number of subsidiaries distributed to company	3
Number of reportable segments		2us-gaap_NumberOfReportableSegments
Proceeds from grantors (in dollars)				$ 26,000us-gaap_ProceedsFromGrantors
Shipping and handling revenue (in dollars)		14,061us-gaap_ShippingAndHandlingRevenue	12,292us-gaap_ShippingAndHandlingRevenue
Research and development expense (in dollars)		1,622us-gaap_ResearchAndDevelopmentExpense	2,472us-gaap_ResearchAndDevelopmentExpense
Debt instrument, fair value disclosure (in dollars)		10,297us-gaap_DebtInstrumentFairValue	23,300us-gaap_DebtInstrumentFairValue
Long-term debt, less current maturities		7,670	3,611
Short And Longterm Debt [Member]
Accounting Policies [Line Items]
Long-term debt, less current maturities		10,283	23,168
Reimbursment [Member]
Accounting Policies [Line Items]
Proceeds from grantors (in dollars)			1,250
Reimbursment Of Maintenance Costs [Member]
Accounting Policies [Line Items]
Deferred revenue and credits (in dollars)		1,236	914
Reimbursement of System Control Costs [Member]
Accounting Policies [Line Items]
Deferred revenue and credits (in dollars)		$ 488
Minimum [Member] \| Building And Improvements [Member]
Accounting Policies [Line Items]
Useful life		20 years
Minimum [Member] \| Transportation Equipment Assets [Member]
Accounting Policies [Line Items]
Useful life		5 years
Minimum [Member] \| Machinery Equipment [Member]
Accounting Policies [Line Items]
Useful life		10 years
Maximum [Member] \| Building And Improvements [Member]
Accounting Policies [Line Items]
Useful life		40 years
Maximum [Member] \| Transportation Equipment Assets [Member]
Accounting Policies [Line Items]
Useful life		6 years
Maximum [Member] \| Machinery Equipment [Member]
Accounting Policies [Line Items]
Useful life		12 years
ICP [Member]
Accounting Policies [Line Items]
Equity method ownership percentage (percent)		30.00%					30.00%
Ownership percentage sold (percent)					50.00%	20.00%