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ACQUISITIONS (Schedule of Identifiable Assets Acquired and Liabilities Assumed) (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Mar. 30, 2012
Business Acquisition [Line Items]        
Goodwill $ 508.8us-gaap_Goodwill $ 521.3us-gaap_Goodwill $ 525.3us-gaap_Goodwill  
Star Orechem        
Business Acquisition [Line Items]        
Inventories       1.1us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
/ us-gaap_BusinessAcquisitionAxis
= cyt_StarOrechemMember
Other current assets       0.4us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
/ us-gaap_BusinessAcquisitionAxis
= cyt_StarOrechemMember
Plants, equipment and facility       6.5us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= cyt_StarOrechemMember
Identifiable intangibles       1.2us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= cyt_StarOrechemMember
Goodwill       20.8us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= cyt_StarOrechemMember
Other non-current assets       0.2us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
/ us-gaap_BusinessAcquisitionAxis
= cyt_StarOrechemMember
Total purchase price       $ 30.2us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= cyt_StarOrechemMember