Stockholders' Equity of the Company - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2018	Dec. 31, 2017	Aug. 31, 2016
Equity, Class of Treasury Stock [Line Items]
Authorized capital stock (shares)	260,000,000	260,000,000
Authorized shares, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	160,000,000	160,000,000	160,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Excess stock, shares authorized (shares)	75,000,000	75,000,000
Excess stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (shares)	25,000,000	25,000,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Excess shares issued (shares)	0	0
Shares repurchased		3,653,928	8,342,411
Average price paid per share (in dollars per share)		$ 97.07	$ 101.64
2016 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount			$ 500,000,000	$ 1,000,000,000.0
Shares repurchased		11,996,339	8,342,411
Maximum approximate dollar value of shares that may yet be purchased under the plan	$ 297,200,000	$ 297,200,000	$ 652,000,000
Stock repurchase program, authorized amount	$ 1,500,000,000.0	$ 1,500,000,000.0
Repurchases of common stock (in shares)	142,004