Cost Classifications (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Costs and Expenses [Abstract]
Depreciation and amortization not included in cost of product sold	$ 1.7	$ 1.8
Depreciation and amortization not included in direct operating expenses	36.2	38.5
Depreciation and amortization not included in selling, general and administrative expenses	$ 2.1	$ 1.7

Represents the amount of depreciation and amortization not included in selling, general and administrative expenses.

No definition available.

Name:	cvi_DepreciationAndAmortizationNotIncludedInSellingGeneralAndAdministrativeExpenses
Namespace Prefix:	cvi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration