Stockholders' Equity (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) vote $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) shares	Feb. 21, 2020 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Common stock shares authorized (in shares) | shares	300,000,000.0	300,000,000.0	300,000,000
Common stock par or stated value (in dollars per share) | $ / shares	$ 0.01	$ 0.01	$ 0.01
Preferred stock authorized shares (in shares) | shares	10,000,000.0	10,000,000.0
Preferred stock par or stated value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Common stock, voting rights per share held | vote		1
Remaining authorized repurchase amount	$ 124,600,000	$ 124,600,000
Treasury stock repurchased (in shares) | shares		1,300,000		600,000
Treasury stock repurchased		$ 102,300,000		$ 40,100,000
Charitable stock donation	$ 8,900,000	8,900,000	$ 0	0
Charitable stock donation (in shares) | shares	(100,000)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period		217,500,000	112,500,000	(41,900,000)
Other comprehensive loss:
Total other comprehensive income		7,600,000	(19,800,000)	28,000,000.0
Balance at ending of period	$ 360,400,000	360,400,000	217,500,000	112,500,000
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period		(91,700,000)	(72,800,000)	(101,900,000)
Other comprehensive loss:
Tax expense		0	0	0
Net amount reclassified to earnings		0	0	0
Total other comprehensive income		9,500,000	(18,900,000)	29,100,000
Balance at ending of period	(82,200,000)	(82,200,000)	(91,700,000)	(72,800,000)
Pension Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period		(3,600,000)	(2,700,000)	(2,200,000)
Other comprehensive loss:
Net change from period revaluation		(2,600,000)	(400,000)	(800,000)
Tax expense		700,000	100,000	300,000
Total other comprehensive loss before reclassifications, net of tax		(1,900,000)	(300,000)	(500,000)
Net amount reclassified to earnings		0	0	0
U.S tax reform - reclassification to retained earnings upon adoption of ASU No. 2018-02		0	(500,000)	0
Tax benefit		0	(100,000)	0
Total amount reclassified from accumulated other comprehensive loss, net of tax		0	(600,000)	0
Total other comprehensive income		(1,900,000)	(900,000)	(500,000)
Balance at ending of period	(5,500,000)	(5,500,000)	(3,600,000)	(2,700,000)
Foreign Exchange Forward | Derivative Contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period		0	0	600,000
Other comprehensive loss:
Net change from period revaluation		0	0	(600,000)
Tax expense		0	0	100,000
Total other comprehensive loss before reclassifications, net of tax		0	0	(500,000)
Net amount reclassified to earnings		0	0	(100,000)
Total amount reclassified from accumulated other comprehensive loss, net of tax		0	0	(100,000)
Total other comprehensive income		0	0	(600,000)
Balance at ending of period	$ 0	0	0	0
Performance-based Restricted Stock Units
Accumulated Other Comprehensive Income (Loss) [Line Items]
Treasury stock repurchased		$ 3,400,000	$ 4,600,000	$ 4,800,000
Shares paid for tax withholding for share based compensation | shares		100,000	100,000	100,000
Subsequent Event
Accumulated Other Comprehensive Income (Loss) [Line Items]
Increase in authorized amount					$ 190,000,000.0
Authorized amount of stock to be repurchased					$ 300,000,000.0