The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to customer deposits which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken.

No definition available.

Income Taxes (Details 2) (USD $)	1 Months Ended	12 Months Ended
Income Taxes (Details 2) (USD $)	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Gross Deferred Tax Assets:
Bad debt reserve		$ 6,426,000	$ 4,573,000
Accrued and other shared-based compensation		21,393,000	14,909,000
Accrued expenses		10,032,000	2,069,000
Unrealized derivative losses		558,000	316,000
Customer deposits		5,149,000	7,545,000
Unrealized foreign exchange		6,082,000	914,000
Total gross deferred tax assets		50,414,000	31,001,000
Gross deferred tax assets, net of valuation allowance		50,414,000	31,001,000
Deferred Tax Liabilities:
Depreciation		(19,199,000)	(11,999,000)
Goodwill and intangible assets		(28,099,000)	(23,108,000)
Prepaid expenses, deductible for tax purposes		(3,452,000)	(1,719,000)
Other		(740,000)	(1,330,000)
Gross deferred tax liabilities		(51,490,000)	(38,156,000)
Net deferred tax liabilities		(1,076,000)	(7,155,000)
Reported on the consolidated balance sheets as:
Other current assets for deferred tax assets, current		32,118,000	15,282,000
Identifiable intangible and other non-current assets for deferred tax assets, non-current		16,342,000	5,406,000
Accrued expenses and other current liabilities for deferred tax liabilities, current		3,229,000	6,084,000
Non-current income tax liabilities, net for deferred tax liabilities, non-current		46,307,000	21,759,000
Income taxes
Net operating loss carryforward		774,000	675,000
Foreign net operating losses		2,600,000	2,800,000
Foreign tax credits		0	0
Annual capital in excess of par value pool of windfall income tax benefits related to employee compensation		3,300,000	3,700,000	6,000,000
Period applicable for additional special income tax concession	5 years
Decrease in foreign income taxes due to special income tax concession in Singapore		6,200,000	5,500,000	8,400,000
Impact of income tax concession on diluted earnings per common share (in dollars per share)		$ 0.09	$ 0.08	$ 0.12
December 31, 2014
Income taxes
Net operating loss carryforward		74,000
December 31, 2021
Income taxes
Net operating loss carryforward		76,000
December 31, 2022
Income taxes
Net operating loss carryforward		455,000
Indefinite
Income taxes
Net operating loss carryforward		$ 169,000