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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2015
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In August 2015, our Board of Directors authorized the repurchase of up to $100 million of our common stock, replacing the Board’s previous share repurchase authorization. Our share repurchase authorization does not obligate us to acquire any specific number of shares. Under this authorization, shares may be repurchased in privately negotiated and/or open market transactions, including under plans complying with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. As of August 7, 2015, no shares had been purchased under this authorization.