Debt - Narrative (Details)				12 Months Ended
	Jul. 02, 2018 USD ($)	Feb. 15, 2018 USD ($)	Jun. 01, 2017 USD ($)	Dec. 31, 2018 USD ($)
Credit Facility 2017 | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable interest rate		2.50%
Reduction in rate		0.25%
Potential reduction to basis spread on variable rate, pro forma leverage ratio used for calculation		1.00
Credit Facility 2017 | Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable interest rate		1.50%
Term Loan | Credit Facility 2017
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 260,000,000.0
Debt term			7 years
Amount outstanding				$ 340,600,000
Debt issuance costs				$ 11,400,000
Annual principal payment, percentage of principal				1.00%
Amount required to be prepaid, percent of excess cash flow				50.00%
Premium due if prepaid in connection with repricing transaction within six months of credit agreement closing				1.00%
Term Loan | Credit Facility 2017 | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate, floor		0.75%
Term Loan | Additional Term Loan 2018
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 105,000,000
Covenant terms, leverage ratio		2.50
Covenant terms, percent of aggregate revolving commitments		30.00%
Revolving Credit Facility | Credit Facility 2017
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 100,000,000.0
Debt term			5 years
Revolving Credit Facility | Credit Facility 2017 | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate, floor		0.00%
Leverage Ratio Below 1.00 | Term Loan | Credit Facility 2017
Line of Credit Facility [Line Items]
Amount required to be prepaid, percent of excess cash flow				25.00%
Leverage Ratio Below 0.50 | Term Loan | Credit Facility 2017
Line of Credit Facility [Line Items]
Amount required to be prepaid, percent of excess cash flow				0.00%
Sustainable Growth Advisers, LP
Line of Credit Facility [Line Items]
Term loan debt drawn at closing	$ 105,000,000