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Purchase Price of Acquisition (Detail) (Fred & Friends, USD $) In Thousands, unless otherwise specified	1 Months Ended
	Dec. 20, 2012
Fred & Friends
Business Acquisition [Line Items]
Cash paid	$ 14,500
Common stock issued	1,507
Value of contingent consideration	5,370
Total purchase price	$ 21,377

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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