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Subsequent Events - Additional Information (Detail) - $ / shares
3 Months Ended 4 Months Ended 12 Months Ended
Feb. 15, 2017
Sep. 11, 2016
Jun. 19, 2016
Mar. 27, 2016
Sep. 06, 2015
Jun. 14, 2015
Mar. 22, 2015
Jan. 01, 2017
Jan. 03, 2016
Jan. 01, 2017
Jan. 03, 2016
Dec. 28, 2014
Subsequent Event [Line Items]                        
Dividends declared per share   $ 0.38 $ 0.38 $ 0.38 $ 0.31 $ 0.31 $ 0.31 $ 0.38 $ 0.31 $ 1.52 $ 1.24 $ 1.00
Subsequent Event [Member]                        
Subsequent Event [Line Items]                        
Dividends declared per share $ 0.46                      
Dividend declaration date Feb. 15, 2017                      
Record date of dividend Mar. 15, 2017                      
Dividend payable date Mar. 30, 2017