Line of Credit, Covenant Compliance, Consecutive Business Days for Undrawn Balance

No definition available.

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- Definition

Line of Credit, Covenant Compliance, Interruption of Manufacturing Facilities Period

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Additional Long-Lived Asset Amount

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Availability Reserve, Minimum

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Inventories, Domestic, Percent

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Inventories, Foreign, Liquidation Value, Percent

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Inventories, Foreign, Percent

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Inventories, Liquidation Value, Amount

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Inventories, Liquidation Value, Percent

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Property, Plant and Equipment, Liquidation Value, Percent

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Trade Receivables, Domestic, Percent

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Maximum Borrowing Capacity, Trade Receivables, Foreign, Percent

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Required Undrawn Balance, Amount

+ References

No definition available.

+ Details

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

- Definition

Line of Credit, Covenant Compliance, Required Undrawn Balance, Minimum, Percent

+ References

No definition available.

+ Details

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- Definition

Line of Credit, Covenant Compliance, Single Acquisition Limit Maximum

+ References

No definition available.

+ Details

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

- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

+ Details

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

- Definition

Line of Credit Facility, Covenant Feature, Increase Limit

+ References

No definition available.

+ Details

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Namespace Prefix:	ivc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Maximum Borrowing Capacity, Initial Sublimit

+ References

No definition available.

+ Details

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Namespace Prefix:	ivc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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- Details

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- Details

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- Details

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- Details

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Long-Term Debt Narrative (Details) - USD ($)		3 Months Ended		6 Months Ended
Long-Term Debt Narrative (Details) - USD ($)	Jan. 16, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Apr. 22, 2015	Dec. 31, 2014	Feb. 17, 2007
Convertible Subordinated Debt \| Convertible Senior Subordinated Debentures at 4.125% February 2027
Debt Instrument [Line Items]
Write off of capitalized fees			$ 1,070,000	$ 668,000
Principal Amount							$ 135,000,000
Principal amount of liability component		$ 13,350,000		$ 13,350,000		$ 13,350,000
Interest rate (as a percent)		4.125%		4.125%
Revolving Credit Facility [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Remaining borrowing capacity		$ 46,929,000		$ 46,929,000
Debt issuance costs		$ 1,391,000
Weighted average interest rate (as a percent)		4.15%		4.15%		2.25%
Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Borrowing capacity	$ 100,000,000
Additional increase in borrowing capacity available	$ 25,000,000
Percentage of domestic accounts receivable	85.00%
Percentage of eligible domestic inventory and in-transit inventory	70.00%
Percentage of net orderly liquidation value of domestic inventory	85.00%
Maximum value of net orderly liquidation value domestic inventory and in-transit inventory	$ 4,000,000
Net orderly liquidation value of domestic eligible machinery and equipment	85.00%
Additional amount of machinery and equipment	$ 2,924,000
Percentage of eligible Canadian accounts receivable	85.00%
Percentage of eligible Canadian inventory	70.00%
Percentage of net orderly liquidation value of eligible Canadian inventory	85.00%
Minimum availability reserve	$ 10,000,000
Minimum required undrawn balance (as a percent)	11.25%
Consecutive business days for minimum undrawn balance	5 days
Required undrawn balance, minimum	$ 10,000,000
Interruption of material manufacturing facilities, period	10 days
Line of Credit, Covenant Compliance, Single Acquisition Limit Maximum					$ 500,000
Letter of Credit [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Borrowing capacity	$ 25,000,000
Initial sublimit	$ 10,000,000
London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Base Rate [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
Base Rate [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Credit Agreement [Member]
Debt Instrument [Line Items]
Basis spread on variable rate				0.25%
Minimum \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.25%
Minimum \| London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Minimum \| Base Rate [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Maximum \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.375%
Maximum \| London Interbank Offered Rate (LIBOR) [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.75%
Maximum \| Base Rate [Member] \| Revolving Credit Facility [Member] \| Line of Credit [Member] \| Revolving Credit and Security Agreement (New Credit Agreement) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%