Stockholders' Deficit - Number of PSUs Granted and Grant Date Fair Value of PSUs (Details) - $ / shares			3 Months Ended
Mar. 01, 2020	Feb. 13, 2020	Mar. 31, 2020
TSR
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of units granted (in shares)	31,064	44,206	33,335
Fair value on grant date (in usd per share)	$ 29.85	$ 34.08	$ 38.87
ROIC
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of units granted (in shares)	29,690	42,507	35,068
Fair value on grant date (in usd per share)	$ 30.31	$ 34.40	$ 35.86
Adjusted EBITDA CAGR
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of units granted (in shares)	29,690	42,507	35,068
Fair value on grant date (in usd per share)	$ 30.31	$ 34.40	$ 35.86

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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