Financing Arrangements - Variable Interest Rates (Details) - JP Morgan - Existing Term Loan Facility	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Eurodollar Spread
Debt Instrument [Line Items]
Basis spread on variable rate	5.00%
Eurodollar Spread | Moody's, B1 Rating | Standard & Poor's, B Plus Rating or higher
Debt Instrument [Line Items]
Basis spread on variable rate		4.25%
Eurodollar Spread | Moody's, B2 Rating | Standard & Poor's, B Rating
Debt Instrument [Line Items]
Basis spread on variable rate		4.75%
Eurodollar Spread | Moody's, B3 Rating | Standard & Poor's, B Minus or lower Rating
Debt Instrument [Line Items]
Basis spread on variable rate		5.50%
ABR Spread
Debt Instrument [Line Items]
Basis spread on variable rate	4.00%
ABR Spread | Moody's, B1 Rating | Standard & Poor's, B Plus Rating or higher
Debt Instrument [Line Items]
Basis spread on variable rate		3.25%
ABR Spread | Moody's, B2 Rating | Standard & Poor's, B Rating
Debt Instrument [Line Items]
Basis spread on variable rate		3.75%
ABR Spread | Moody's, B3 Rating | Standard & Poor's, B Minus or lower Rating
Debt Instrument [Line Items]
Basis spread on variable rate		4.50%