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Earnings per Share (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 USD ($) $ / shares | Sep. 24, 2017 USD ($) $ / shares | Jun. 25, 2017 USD ($) $ / shares | Mar. 26, 2017 USD ($) $ / shares | Dec. 25, 2016 USD ($) $ / shares | Sep. 25, 2016 USD ($) $ / shares | Jun. 26, 2016 USD ($) $ / shares | Mar. 27, 2016 USD ($) $ / shares | Dec. 31, 2017 USD ($) item $ / shares shares | Dec. 25, 2016 USD ($) $ / shares shares | Dec. 27, 2015 USD ($) $ / shares shares
Earnings per Share |  |  |  |  |  |  |  |  |  |  |
Number of joint ventures for which the increase in redemption value for the noncontrolling interest reduces income attributable to common shareholders | item |  |  |  |  |  |  |  |  | 1 |  |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to the Company | $ | $ 28,509 | $ 21,817 | $ 23,538 | $ 28,428 | $ 32,630 | $ 21,467 | $ 22,541 | $ 26,182 | $ 102,292 | $ 102,820 | $ 75,682
Change in noncontrolling interest redemption value | $ |  |  |  |  |  |  |  |  | 1,419 | 567 | 65
Net income attributable to participating securities | $ |  |  |  |  |  |  |  |  | (423) | (420) | (325)
Net income attributable to common shareholders | $ |  |  |  |  |  |  |  |  | $ 103,288 | $ 102,967 | $ 75,422
Weighted average common shares outstanding | shares |  |  |  |  |  |  |  |  | 36,083,000 | 37,253,000 | 39,458,000
Basic earnings per common share | $ / shares | $ 0.82 | $ 0.61 | $ 0.66 | $ 0.78 | $ 0.89 | $ 0.57 | $ 0.61 | $ 0.69 | $ 2.86 | $ 2.76 | $ 1.91
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to common shareholders | $ |  |  |  |  |  |  |  |  | $ 103,288 | $ 102,967 | $ 75,422
Weighted average common shares outstanding | shares |  |  |  |  |  |  |  |  | 36,083,000 | 37,253,000 | 39,458,000
Dilutive effect of outstanding equity awards | shares |  |  |  |  |  |  |  |  | 439,000 | 355,000 | 542,000
Diluted weighted average common shares outstanding | shares |  |  |  |  |  |  |  |  | 36,522,000 | 37,608,000 | 40,000,000
Diluted earnings per common share | $ / shares | $ 0.81 | $ 0.60 | $ 0.65 | $ 0.77 | $ 0.88 | $ 0.57 | $ 0.61 | $ 0.69 | $ 2.83 | $ 2.74 | $ 1.89
Weighted average antidilutive awards excluded from computation of earnings per share | shares |  |  |  |  |  |  |  |  | 278,000 | 331,000 | 251,000

X
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=96948231&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1252-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1252-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 15 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 16(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 14 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
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