XML 26 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9
Long-Term Debt (Components Of Long-Term Debt) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Other debt due through 2025 $ 19,854us-gaap_OtherBorrowings $ 20,156us-gaap_OtherBorrowings
Capitalized lease arrangements due through 2026 15,523us-gaap_CapitalLeaseObligations 15,206us-gaap_CapitalLeaseObligations
Long-term debt and capitalized lease arrangements 2,248,852us-gaap_DebtAndCapitalLeaseObligations 2,251,012us-gaap_DebtAndCapitalLeaseObligations
Less current portion 18,858us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent 18,826us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Long-term debt 2,229,994us-gaap_LongTermDebtAndCapitalLeaseObligations 2,232,186us-gaap_LongTermDebtAndCapitalLeaseObligations
Term Loan [Member]    
Debt Instrument [Line Items]    
Long-term Debt 863,475us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= amsg_TermLoanMember
865,650us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= amsg_TermLoanMember
5.625% Senior Unsecured Notes due 2020 [Member] | Senior Notes [Member]    
Debt Instrument [Line Items]    
Long-term Debt 250,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= amsg_TwoThousandTwentySeniorUnsecuredNotesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
250,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= amsg_TwoThousandTwentySeniorUnsecuredNotesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
5.625% Senior Unsecured Notes due 2022 [Member] | Senior Notes [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 1,100,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= amsg_TwoThousandTwentyTwoSeniorUnsecuredNotesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
$ 1,100,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= amsg_TwoThousandTwentyTwoSeniorUnsecuredNotesMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember