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Equity-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2016
Equity Based Compensation [Abstract] |
Schedule Of Remaining Unrecognized Compensation Expense For Unvested Awards |
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﻿2017 |  | $ 15,765
﻿2018 |  | 13,306
﻿2019 |  | 9,778
﻿2020 |  | 3,642
﻿2021+ |  | 1,978
﻿ |  | $ 44,469
﻿ |  |
﻿The cost above is expected to be recognized over a weighted-average period of 3.3 years. |  |
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﻿
Schedule Of Fair Value Assumptions |
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﻿ |  | Year ended |  |
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﻿ |  | 2014 |  | 2015 |  | 2016 |  |
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﻿Expected volatility (1) |  | 40.2% |  | 44.0% |  | 47.5% |  |
﻿Risk-free interest rate (2) |  | 1.2% |  | 1.3% |  | 1.1% |  |
﻿Expected life (3) |  | 3.6 yrs. |  | 3.8 yrs. |  | 3.7 yrs. |  |
﻿Expected dividend yield (4) |  | 0.0% |  | 0.0% |  | 0.0% |  |
﻿Weighted-average exercise price (5) |  | $60.61 |  | $67.71 |  | $63.16 |  |
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﻿(1) The Company utilizes historical volatility of the trading price of its common stock. |
﻿(2) Risk-free interest rate is based on the U.S. Treasury yield curve with respect to the expected life of the award. |
﻿(3) Depending upon the terms of the award, one of two methods will be used to calculate expected life: |
﻿ (i) a weighted-average that includes historical settlement data of the Company’s equity awards and a |
﻿ hypothetical holding period, or (ii) the simplified method. |
﻿(4) The Company historically has not paid and currently has no plan to pay dividends. |  |
﻿(5) Exercise price is the closing price of the Company's common stock on the date of grant. |  |
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Schedule Of Stock Option Activity |
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﻿ |  | Shares |  | Weighted-average exercise price |  | Weighted-average remaining contractual term |  | Aggregate intrinsic value* |
﻿Outstanding at January 2, 2016 |  | 4,351 |  | $ 47.34 |  | 3.3 |  | $ 83,475 |
﻿Granted |  | 742 |  | 63.16 |  |  |  |  |
﻿Exercised |  | (971) |  | 25.68 |  |  |  |  |
﻿Forfeited |  | (731) |  | 58.05 |  |  |  |  |
﻿Expired |  | - |  | - |  |  |  |  |
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﻿Outstanding at December 31, 2016 |  | 3,391 |  | $ 54.69 |  | 3.1 |  | $ 36,169 |
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﻿Exercisable at December 31, 2016 |  | 335 |  | $ 37.69 |  | 1.6 |  | $ 8,112 |
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired 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=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized. + 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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