Condensed Consolidated Statement Of Stockholders' Equity (Parenthetical) - $ / shares	6 Months Ended
Jun. 30, 2015
Statement of Stockholders' Equity [Abstract]
Issuance of common stock (in shares)	292,430
Issuance of deferred stock units (in shares)	36,579
Special cash dividend (in usd per share)	$ 2

Number of share options (or share units) exercised during the current period.

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