Debt (Details)			3 Months Ended
	Mar. 02, 2017 USD ($)	Dec. 16, 2016 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
Repayments on credit facility			$ 30,000,000	$ 0
Revolving credit facility
Line of Credit Facility [Line Items]
Leverage ratio			3.00
Minimum interest coverage ratio for four consecutive fiscal quarters			4.00
Revolving credit facility | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate			0.75%
Commitment fee on undrawn amounts			0.30%
Revolving credit facility | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable interest rate			2.25%
Commitment fee on undrawn amounts			0.45%
Credit Facility | Revolving credit facility
Line of Credit Facility [Line Items]
Repayments on credit facility			$ 30,000,000
Amount outstanding			$ 0
Loan Facility | Revolving credit facility
Line of Credit Facility [Line Items]
Borrowing capacity	$ 100,000,000.0	$ 100,000,000.0
Debt term	5 years	5 years
Loan Facility | Revolving credit facility | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	3.75%
Basis spread on variable interest rate, floor	0.00%
Loan Facility | Term loan
Line of Credit Facility [Line Items]
Borrowing capacity	$ 260,000,000.0	$ 260,000,000.0
Debt term	7 years	7 years
Upfront fee	0.50%
Loan Facility | Term loan | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	3.75%
Basis spread on variable interest rate, floor	0.75%
Loan Facility | Term loan | LIBOR | Net leverage levels of less than 1.0
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	3.50%
Leverage ratio	1.0