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Common Stock Repurchases - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Repurchased and cancelled shares 2,880 19,110
Common stock repurchased, value $ 200,000 $ 1,400,000
Common stock repurchased, average price $ 71.70 $ 73.34
Share Repurchase Program [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Repurchased and cancelled shares 128,870 1,006,365
Common stock repurchased, value $ 9,000,000 $ 74,700,000
Common stock repurchased, average price $ 69.84 $ 74.26
Share repurchase program shares authorized to be repurchased $ 250,000,000