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Stock Incentive Plans - Stock Awards Activity (Details) - $ / shares
9 Months Ended
Feb. 26, 2016
Sep. 30, 2016
Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards expected to vest in 2017 (in shares)   245,907
Awards expected to vest in 2018 (in shares)   187,977
Awards expected to vest in 2019 (in shares)   117,379
Awards expected to vest in 2020 (in shares)   11,224
Number of Shares    
Number of shares, Beginning Balance   474,567
Number of shares, Granted   451,739
Number of shares, Vested   (241,698)
Number of shares, Forfeited   (122,121)
Number of shares, Ending Balance   562,487
Weighted- Average Grant Date Fair Value    
Weighted-average grant date fair value, Beginning balance (in dollars per share)   $ 12.72
Weighted-average grant date fair value, Granted (in dollars per share)   8.91
Weighted-average grant date fair value, Vested (in dollars per share)   11.83
Weighted-average grant date fair value, Forfeited (in dollars per share)   10.12
Weighted-average grant date fair value, Ending balance (in dollars per share)   $ 10.61
Performance Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards expected to vest in 2017 (in shares)   195,525
Awards expected to vest in 2018 (in shares)   204,010
Awards expected to vest in 2019 (in shares)   277,956
Shares of common stock earned for the PSUs vested in 2016 (as a percent)   89.50%
Number of Shares    
Number of shares, Beginning Balance   676,359
Number of shares, Granted 310,398 310,398
Number of shares, Additional units from dividends   29,131
Number of shares, Vested   (242,096)
Number of shares, Forfeited   (96,301)
Number of shares, Ending Balance   677,491
Weighted- Average Grant Date Fair Value    
Weighted-average grant date fair value, Beginning balance (in dollars per share)   $ 11.41
Weighted-average grant date fair value, Granted (in dollars per share) $ 8.91 8.54
Weighted-average grant date fair value, Additional units from dividends (in dollars per share)   9.42
Weighted-average grant date fair value, Vested (in dollars per share)   9.85
Weighted-average grant date fair value, Forfeited (in dollars per share)   10.75
Weighted-average grant date fair value, Ending balance (in dollars per share)   $ 10.66