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Subsequent Events	3 Months Ended
	Mar. 31, 2014
Subsequent Events [Abstract]
Subsequent Events	(7) Subsequent Events We evaluated all subsequent event activity and concluded that no subsequent events have occurred that would require recognition in the financial statements or disclosure in the notes to the financial statements, with the exception of the dividend disclosed in Note (3) 'Stockholders' Equity' and an increase in the total amount of our credit facility with Wells Fargo Bank, National Association, described in Note (10) 'Commitments and Contingencies' to our 2013 annual report on Form 10-K. The facility was amended on April 15, 2014 to increase the revolving credit commitment of the Lenders from $125 million to $170 million, with the letter of credit subfacility unchanged at $40 million, and to modify one of the financial covenants contained in the facility.

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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.

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