XML 48 R32.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stock Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity | Aggregated information regarding the Company’s RSUs and PBRSUs is summarized below:
|  | All Restricted Stock Units
|  | Units (000) |  | Wtd. Average Fair Value (per share)
Outstanding December 31, 2014 |  | 2,077 |  |  | $ | 16.92 |
Granted |  | 561 |  | (a) | 45.80 |
Vested |  | (1,095 | ) |  | 13.33 |
Surrendered |  | (58 | ) |  | 25.49 |
Outstanding December 31, 2015 |  | 1,485 |  |  | 30.17 |
Granted |  | 675 |  | (b) | 37.29 |
Vested |  | (665 | ) |  | 23.29 |
Surrendered |  | (56 | ) |  | 36.29 |
Outstanding December 31, 2016, Unvested |  | 1,439 |  |  | 36.52 |
Granted |  | 717 |  | (c) | 52.73 |
Vested |  | (806 | ) |  | 30.23 |
Surrendered |  | (56 | ) |  | 43.86 |
Outstanding December 31, 2017, Unvested |  | 1,294 |  |  | $ | 45.32 |
(a) Includes 183 thousand PBRSUs (b) Includes 247 thousand PBRSUs (c) Includes 235 thousand PBRSUs

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration