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Amount of currency and demand deposits with European union banks.

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Refers to original maturity period of temporary cash investments considered as cash equivalents maximum.

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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of interest capitalized during the period.

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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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Summary of Significant Accounting Policies (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 31, 2014
Cash Equivalents [Abstract]
Original maturity period of temporary cash investments considered as cash equivalents, maximum	3 months
Concentrations of credit risk [Abstract]
Account receivables from one customer (in hundredths)	38.00%cbm_AccountReceivablesFromOneCustomer	38.00%cbm_AccountReceivablesFromOneCustomer
Impairment of goodwill [Abstract]
Goodwill	$ 9,715us-gaap_GoodwillAcquiredDuringPeriod
Property, Plant and Equipment [Abstract]
Total interest capitalized	128us-gaap_InterestCostsCapitalized	298us-gaap_InterestCostsCapitalized	0us-gaap_InterestCostsCapitalized
Foreign Currency [Abstract]
Foreign currency net transaction gains/(losses)	186	(133)	(274)
Earnings per Common Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	940,038	916,350	580,745
Components of accumulated other comprehensive loss in stockholders' equity [Abstract]
Foreign currency translation	(11,410)	9,990
Unrealized loss on hedging contracts, net of tax	(193)	(396)
Pensions, net of tax	(33,378)	(28,556)
Total	(44,981)	(18,962)	(34,091)
Zenara Pharma [Member]
Impairment of goodwill [Abstract]
Goodwill	9,715			9,715
Minimum [Member]
Concentrations of credit risk [Abstract]
Cash balances with European Union banks	1,000
Minimum [Member] \| Buildings and improvements [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives	20 years
Minimum [Member] \| Machinery and equipment [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives	7 years
Minimum [Member] \| Furniture and fixtures [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives	5 years
Minimum [Member] \| Computer hardware and software [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives	3 years
Maximum [Member]
Concentrations of credit risk [Abstract]
Cash balances with European Union banks	$ 10,000
Maximum [Member] \| Buildings and improvements [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives	30 years
Maximum [Member] \| Machinery and equipment [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives	15 years
Maximum [Member] \| Furniture and fixtures [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives	7 years
Maximum [Member] \| Computer hardware and software [Member]
Property, Plant and Equipment [Abstract]
Estimated useful lives	7 years