Acquisition of MediaMission Holding B.V. - Fair Values of the Assets Acquired and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013
Assets acquired:
Cash	$ 339
Other current assets	923
Property and equipment	49
Acquired goodwill and other intangible assets	1,293
Total assets acquired	2,604
Liabilities assumed:
Current liabilities	(1,111)
Total purchase price	$ 1,493