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Stock Plans | 9 Months Ended
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Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Plans | 9. STOCK PLANS: During the nine months ended September 30, 2017, the Company granted 0.1 million restricted stock units with a weighted-average grant date fair value of $66.52 per award. There were 0.4 million and 0.5 million restricted stock units outstanding at September 30, 2017 and December 31, 2016, respectively. The compensation expense that has been charged against pre-tax income for all of the Company’s stock-based compensation plans was $1.7 million and $1.5 million for the three months ended September 30, 2017 and 2016, respectively, and $5.0 million and $4.6 million for the nine months ended September 30, 2017 and 2016, respectively.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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