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Subsequent Event	9 Months Ended
	Sep. 30, 2018
Subsequent Events [Abstract]
Subsequent Event	NOTE 11.Subsequent Event On November 2, 2018, Hub Group signed a definitive agreement to acquire CaseStack, Inc. (“CaseStack”) for $255 million in cash (the “Transaction”).  We expect the Transaction will close in early December 2018, subject to the satisfaction of customary closing conditions and required approvals.  Please see Part II, Item 5 for additional information on the Transaction.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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