Cost Allocated for Discontinued Business Segment Included in Continuing Operations

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- Definition

Elimination of Goodwill and Intangible Assets from Gain on Sale of Business Segment

+ Details

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- Definition

Expected Payments for Final Settlement of Working Capital Adjustments

+ Details

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- Definition

Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.

+ Details

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Balance Type:	debit
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- Definition

Value of Principal of Zero Coupon Note Received in Sale During Second Anniversary

+ Details

Name:	cvg_ValueOfPrincipalOfZeroCouponNoteReceivedInSaleDuringSecondAnniversary
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Data Type:	xbrli:monetaryItemType
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- Definition

Value of Principal of Zero Coupon Note Received in Sale During Third Anniversary

+ Details

Name:	cvg_ValueOfPrincipalOfZeroCouponNoteReceivedInSaleDuringThirdAnniversary
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Data Type:	xbrli:monetaryItemType
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- Definition

The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for assets of a disposal group, including a component of the entity (discontinued operation), to be sold or that has been disposed of through sale, as of the financial statement date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 46

+ Details

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- Definition

Amount of cash flows that are expected to continue with the disposal group that is a component of the entity (discontinued operation) after it has been sold or otherwise disposed of.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 03-13
-Paragraph 17

+ Details

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- Definition

Pretax gain (loss), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 43

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 47
-Subparagraph b

+ Details

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- Definition

Gain (loss) after tax expense (benefit), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

+ References

+ Details

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- Definition

For a disposal group that is a component of the entity (discontinued operation), in the period in which the operations are initially classified as discontinued, the amounts of intercompany revenue that were previously eliminated in consolidation for periods before the disposal transaction (in situations where revenue and cost producing activities with the disposed component will continue after disposal).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 03-13
-Paragraph 17

+ Details

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- Definition

Tax expense (benefit) on the gain (loss), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

+ References

+ Details

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- Definition

Tax benefit from provision recognizing a loss for initial, or subsequent, write-down to fair value (less cost to sell) of a of a disposal group that is classified as a component of the entity, which remains unsold as of the reporting date. May include a tax on the (gain) for the recognition of a subsequent increase in fair value (less cost to sell), but not in excess of the cumulative loss previously recognized through write-downs.

+ References

+ Details

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- Definition

The obligations arising from the sale, disposal, or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 144
-Paragraph 46

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

The value of the consideration received for selling an asset or business through a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 15, 16

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 15, 16

+ Details

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Divestitures (Narrative) (Details) (USD $) In Millions	1 Months Ended	3 Months Ended					6 Months Ended		12 Months Ended
Divestitures (Narrative) (Details) (USD $) In Millions	Mar. 31, 2010	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Jun. 30, 2010	Mar. 31, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Sale of business segment	$ 100		$ 10			$ 100
Cash received from sale of business segment								80
Expected payments for final settlement of working capital adjustments				7
Note received in divestiture					15			15
Cash received from sale of foreign locations of business segment				5
Cash paid to settle obligations							28.2
Gain on sale of business segment, pre tax			7.0		38.0			38.0	35.2
Gain on sale of business segment, after tax			4.3		7.8			7.8	5.6
Gain on sale of business segment, tax expenses					30.2			31.2
Federal, state and foreign income tax obligation					30.2			30.2	29.6
Elimination of goodwill and intangible assets from gain on sale of business segment			2.6						67.1
Cost allocated for discontinued business segment included in continuing operations					2.9		1.5	9.1
Revenue under transition services agreements subsequent to close of sale		5.0					11.3
Total assets				0					0
Total liabilities				0					0
Scenario, Forecast [Member]
Value of principal of zero coupon note received in sale during second anniversary							5
Value of principal of zero coupon note received in sale during third anniversary							$ 10