This excerpt taken from the GWW 10-Q filed Aug 2, 2006.
9.4 Form and Timing of Payment of Performance Shares/Performance Units. Payment of earned Performance Shares/Performance Units shall be as determined by the Committee and as evidenced in the Award Agreement. Subject to the terms of this Plan, the Committee, in its sole discretion, may pay earned Performance Shares/Performance Units in the form of Shares or in cash (or in a combination thereof) equal to the value of the earned Performance Shares/Performance Units at the close of the applicable Performance Period, or as soon as practicable after the end of the Performance Period. Any Shares may be granted subject to any restrictions deemed appropriate by the Committee. The determination of the Committee with respect to the form of payout of such Awards shall be set forth in the Award Agreement pertaining to the grant of the Award.