Debt Instrument Convertible Terms Of Conversion Feature Change In Control.

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- Definition

Demand Over Draft Line Of Credit.

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- Definition

Line Of Credit Facility Additional Interest Rate

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- Definition

Long-Term Debt.

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- Definition

Notes beneficial conversion feature.

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- Definition

Description of a feature that permits the issuer of the debt to repay or convert it before the stated maturity date (early retirement date). The description should include the call price, the period that the issuer can call the debt, including the earliest call date, and other significant terms of the call feature, which may include the debt holders' ability to convert the debt to equity if the call option is exercised and contingent events that trigger the issuer's ability to call the debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4

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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 31
-Subparagraph b

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-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

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 32
-Subparagraph b

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- Definition

The ratio applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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- Definition

The effective interest rate on the liability component of convertible debt instrument which may be settled in cash upon conversion, including partial cash settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 33
-Subparagraph a

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- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 32
-Subparagraph c

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- Definition

Description of the conversion terms of a debt instrument which may include the conversion ratio (including all potential conversion ratios if contingently adjustable), type of debt or equity security into which the debt is convertible, the dollars of debt or the number of shares into which the instrument is convertible (or potentially convertible into), the conversion period, any contingencies associated with the conversion terms, and the existence and amount of a beneficial conversion feature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 00-27
-Paragraph 56

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS129-1
-Paragraph 3

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20

+ Details

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

- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

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- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

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- Definition

Amount borrowed under the credit facility as of the balance-sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

+ Details

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- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

+ Details

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- 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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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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Long-Term Debt (Details Textuals)	6 Months Ended					6 Months Ended		6 Months Ended			6 Months Ended		6 Months Ended		6 Months Ended			6 Months Ended			3 Months Ended		6 Months Ended	9 Months Ended
Long-Term Debt (Details Textuals)	Jun. 30, 2011 USD ($)	Jun. 30, 2011 GBP (£)	Mar. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jun. 30, 2010	Jun. 30, 2011 US Credit Agreement Revolving Credit Line [Member] USD ($)	Dec. 31, 2010 US Credit Agreement Revolving Credit Line [Member] USD ($)	Jun. 30, 2011 US Credit Agreement Term Loan [Member] USD ($)	Dec. 31, 2010 US Credit Agreement Term Loan [Member] USD ($)	Jun. 30, 2011 US Credit Agreement Letter of Credit [Member] USD ($)	Jun. 30, 2011 UK Credit Agreement Term Loan [Member] USD ($)	Dec. 31, 2010 UK Credit Agreement Term Loan [Member] USD ($)	Jun. 30, 2011 UK Credit Agreement Revolving Credit Line [Member] USD ($)	Dec. 31, 2010 UK Credit Agreement Revolving Credit Line [Member] USD ($)	Jun. 30, 2011 UK Credit Agreement Overdraft Line Of Credit [Member] GBP (£)	Jun. 30, 2011 UK Credit Agreement Overdraft Line Of Credit [Member] USD ($)	Dec. 31, 2010 UK Credit Agreement Overdraft Line Of Credit [Member] USD ($)	Jun. 30, 2011 7.75% senior subordinated notes due 2016 [Member] USD ($)	Dec. 31, 2010 7.75% senior subordinated notes due 2016 [Member] USD ($)	Dec. 31, 2006 7.75% senior subordinated notes due 2016 [Member] USD ($)	Jun. 30, 2011 3.5% senior subordinated convertible notes due 2026 [Member] USD ($)	Mar. 31, 2011 3.5% senior subordinated convertible notes due 2026 [Member]	Jun. 30, 2011 3.5% senior subordinated convertible notes due 2026 [Member] USD ($)	Sep. 30, 2010 3.5% senior subordinated convertible notes due 2026 [Member] USD ($)	Dec. 31, 2010 3.5% senior subordinated convertible notes due 2026 [Member] USD ($)	Jun. 30, 2010 3.5% senior subordinated convertible notes due 2026 [Member]	Jun. 30, 2011 Mortgages [Member] USD ($)	Dec. 31, 2010 Mortgages [Member] USD ($)
Long-Term Debt (Textuals) [Abstract]
Maximum credit available under US and UK credit agreement		£ 92,000,000				$ 300,000,000		$ 134,000,000		$ 10,000,000
Revolving credit interest rate at LIBOR plus						LIBOR Plus 2.75%		LIBOR plus 2.5%			Between 6.39% And 8.29% Payable Quarterly		LIBOR plus 1.1% and Libor Plus 3.0%		Bank of England Base rate plus 1.75
Incremental interest rate for uncollateralized borrowings in excess of maximum limit						0.75%
Term loan outstanding under credit agreement	83,471,000	52,000,000						134,000,000		1,250,000
Interest rate range for revolving borrowing under credit agreement						LIBOR Plus 2.75%		LIBOR plus 2.5%			Between 6.39% And 8.29% Payable Quarterly		LIBOR plus 1.1% and Libor Plus 3.0%		Bank of England Base rate plus 1.75
Demand over draft line of credit															10,000,000
Debt Instrument, Face Amount																				375,000,000
Senior subordinated convertible notes, Interest rate	3.50%				3.50%													7.75%		7.75%	3.50%		3.50%			3.50%
Notes Redemption before due date																		100% Of Principal Plus Make-Whole Premium					100% Of Principal Plus accrued and unpaid interest
Outstanding Convertible senior notes			87,278,000																		63,324,000		63,324,000
Conversion rate of convertible notes																							42.7796
Conversion price																					23.38		23.38
Terms of conversion																							(1) in any quarterly period, if the closing price of the common stock for twenty of the last thirty trading days in the prior quarter exceeds $28.05 (subject to adjustment), (2) for specified periods, if the trading price of the Convertible Notes falls below specific thresholds, (3) if the Convertible Notes are called for redemption, (4) if specified distributions to holders of common stock are made or specified corporate transactions occur, (5) if a fundamental change (as defined) occurs, or (6) during the ten trading days prior to, but excluding, the maturity date.
7.75% Notes Beneficial Conversion Feature																		equal to the lesser of (i) $1,000 or (ii) the conversion value
Payment of cash, common stock or a combination of two, if conversion value exceed																								1,000
Terms in event of a conversion due to a change of control																							Make-Whole premium by Increasing the Conversion Rate Plus Additional Interest if Average Trading Price Exceed 120% of Principal
Annual effective interest rate on liability component																					3.50%	8.25%
Long-term Debt	$ 716,807,000			$ 779,878,000		$ 0	$ 0	$ 134,000,000	$ 134,000,000		$ 0	$ 5,505,000	$ 77,050,000	$ 54,597,000		$ 6,421,000	$ 7,116,000	$ 375,000,000	$ 375,000,000		$ 63,324,000		$ 63,324,000		$ 148,884,000		$ 50,249,000	$ 46,052,000
Dates on which holders of the convertible notes may require the company to purchase	April 1, 2011, April 1, 2016 or April 1, 2021