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Stockholders’ Equity and Equity-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands		6 Months Ended
	Apr. 01, 2019	Jun. 30, 2019	Jun. 30, 2018	Feb. 28, 2017	Oct. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Value of shares withheld		$ 5,181,000	$ 4,972,000
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)		198	240
Authorized purchase amount (up to)				$ 100,000,000	$ 100,000,000
Value remaining for repurchase		$ 100,000,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options vested and exercisable (in shares)		459
Options vested and exercisable, weighted average exercise price (in dollars per share)		$ 33.16
Unrecognized compensation charge		$ 4,300,000
PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)	202
Weighted average grant-date fair value (in usd per share)	$ 46.69
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)		465
Nonvested shares outstanding (in shares)		1,184
Weighted average grant-date fair value (in usd per share)		$ 45.60
Unrecognized non-cash equity-based compensation charge		$ 35,400,000
Value of shares withheld		$ 5,200,000
Minimum | PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	0.00%
Maximum | PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	150.00%

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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