LONG-TERM DEBT (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			0 Months Ended	12 Months Ended					0 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended						9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 02, 2011 2007 Credit Agreements	Dec. 31, 2011 2007 Credit Agreements	Jun. 15, 2007 2007 Credit Agreements Term loan under first lien credit facility	Jun. 15, 2007 2007 Credit Agreements Revolving credit facility	Jun. 15, 2007 2007 Credit Agreements Term loan under second lien credit facility	Jun. 15, 2007 2007 Credit Agreements Letters of credit	Sep. 16, 2013 2011 Credit Agreement	Sep. 15, 2013 2011 Credit Agreement	Dec. 31, 2012 2011 Credit Agreement	Sep. 15, 2013 2011 Credit Agreement Minimum	Sep. 15, 2013 2011 Credit Agreement Maximum	Oct. 07, 2011 2011 Credit Agreement Revolving credit facility	Oct. 07, 2011 2011 Credit Agreement Letters of credit	Oct. 07, 2011 2011 Credit Agreement Multicurrency borrowings	Oct. 07, 2011 2011 Credit Agreement Swing line loans	Sep. 15, 2013 2011 Credit Agreement Swing line loans Base rate	Sep. 15, 2013 2011 Credit Agreement Eurocurrency rate loans Eurocurrency rate	Sep. 15, 2013 2011 Credit Agreement Eurocurrency rate loans Eurocurrency rate Minimum	Sep. 15, 2013 2011 Credit Agreement Eurocurrency rate loans Eurocurrency rate Maximum	Sep. 15, 2013 2011 Credit Agreement Base rate loans Eurocurrency rate	Sep. 15, 2013 2011 Credit Agreement Base rate loans Base rate	Sep. 15, 2013 2011 Credit Agreement Base rate loans Base rate Minimum	Sep. 15, 2013 2011 Credit Agreement Base rate loans Base rate Maximum	Sep. 15, 2013 2011 Credit Agreement Base rate loans Federal funds rate	Sep. 15, 2013 2011 Credit Agreement Base rate loans Bank of America's prime rate	Sep. 30, 2012 2012 Amendment to the Credit Agreement Revolving credit facility
Long-term debt
Maximum borrowing capacity						$ 185,000	$ 20,000	$ 75,000	$ 15,000						$ 150,000	$ 25,000	$ 50,000	$ 5,000											$ 25,000
Repayment of debt				237,732
Write-off of remaining unamortized deferred financing costs	143	844	3,586	3,586	3,586					143		844
Aggregate additional increase in credit facility															50,000
Limit on pledging of voting stock of foreign subsidiaries (as a percent)											66.00%
Variable rate basis																			Base rate, as defined	Eurocurrency rate, as defined			Eurocurrency rate of one month Eurocurrency loans	Base rate, as defined			Federal funds rate	Prime rate
Applicable margin (as a percent)																					2.00%	2.50%	1.00%		1.00%	1.50%	0.50%
Increase in applicable interest rate (as a percent)											2.00%
Commitment fee (as a percent)													0.25%	0.35%
Outstanding indebtedness											$ 0