Income Taxes - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended			3 Months Ended
	Jun. 30, 2011	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2014	Oct. 31, 2012
Income Tax [Line Items]
Income tax provision (benefits)	$ (8,100,000)	$ 20,721,000	$ 8,142,000	$ 813,000
Deferred tax liability		107,694,000	108,331,000			8,200,000
Deferred tax benefit		4,612,000	1,706,000
Valuation allowance reversal			(502,000)
Valuation reserve, Recorded		(910,000)	(902,000)
Accumulated earnings		80,823,000	56,880,000
Significant adjustments to unrecognized tax benefits within the next twelve months		Company did not anticipate any significant adjustments to its unrecognized tax benefits caused by the settlement of tax examinations or other factors, within the next twelve months
Unrecognized tax benefits that would impact effective tax rate		1,000,000	500,000
Additional Paid-in Capital
Income Tax [Line Items]
Loss carryovers attributable to excess tax benefits		43,800,000
Seamless North America, LLC
Income Tax [Line Items]
Ownership interest, sold	26.00%
Income tax provision (benefits)		(400,000)
Deferred tax benefit		(2,200,000)			2,000,000
Increase in deferred tax expense		1,800,000
U K Subsidiary
Income Tax [Line Items]
Accumulated earnings		6,600,000
Potential additional taxes payable		$ 1,900,000